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词条 Chain shift
释义

  1. Examples

  2. Synchronic shifts

  3. See also

  4. References

{{Short description|Sound changes affecting eachother}}{{refimprove|date=July 2010}}{{IPA notice}}

In historical linguistics, a chain shift is a set of sound changes in which the change in pronunciation of one speech sound (typically, a phoneme) is linked to, and presumably causes, the change in pronunciation of other sounds as well.[1] The sounds involved in a chain shift can be ordered into a "chain" in such a way that after the change is complete, each phoneme ends up sounding like what the phoneme before it in the chain sounded like before the change.{{specify|date=February 2017|reason=This does seem to happen sometimes, but I can't find a source suggesting it is necessarily true.}} The changes making up a chain shift, interpreted as rules of phonology, are in what is termed counterfeeding order.{{clarify|date=February 2017}}

A well-known example is the Great Vowel Shift, which was a chain shift that affected all of the long vowels in Middle English.[2] The changes to the front vowels may be summarized as follows:

{{IPA|a}} → {{IPA|e:}} → {{IPA|i:}} → {{IPA|aɪ}}

A drag chain or pull chain is a chain shift in which the phoneme at the "leading" edge of the chain changes first.[3] In the example above, the chain shift would be a pull chain if {{IPA|/i:/}} changed to {{IPA|/aɪ/}} first, opening up a space at the position of {{IPA|[i]}}, which {{IPA|/e:/}} then moved to fill. A push chain is a chain shift in which the phoneme at the "end" of the chain moves first: in this example, if {{IPA|/a/}} moved toward {{IPA|[e]}}, a "crowding" effect would be created and {{IPA|/e:/}} would thus move toward {{IPA|[i]}}, and so forth.[3] It is not known which phonemes changed first during the Great Vowel Shift; many scholars believe the high vowels such as {{IPA|/i:/}} started the shift, but some suggest that the low vowels, such as {{IPA|/a/}}, may have shifted first.[4]

Examples

{{Inline audio|section}}

During the Great Vowel Shift in the 15th and 16th centuries, all of the long vowels of Middle English, which correspond to tense vowels in Modern English, shifted pronunciation. The changes can be summarized as follows:[1][2]

Great Vowel Shift
Front vowelshelp=no|Close-mid front unrounded vowel.ogg|eː}} → {{Audio-IPA|help=no|Close front unrounded vowel.ogg|i:}} → {{Audio-IPA|help=no|En-us-I.ogg|aɪ}}
help=no|Open-mid front unrounded vowel.ogg|ɛ:}} → {{Audio-IPA|help=no|Close front unrounded vowel.ogg|i:}} or {{Audio-IPA|help=no|Close-mid front unrounded vowel.ogg|eː}}
Back vowelshelp=no|Open-mid back rounded vowel.ogg|ɔː}} → {{Audio-IPA|help=no|Close-mid back rounded vowel.ogg|oː}} → {{Audio-IPA|help=no|Close back rounded vowel.ogg|uː}} → {{Audio-IPA|help=no|En-us-ow.ogg|aʊ}}
help=no|Open front unrounded vowel.ogg|a}} → {{Audio-IPA|help=no|Close-mid front unrounded vowel.ogg|eː}}

Most vowels shifted to a higher place of articulation, so that the pronunciation of geese changed from {{IPA|/ge:s/}} to {{IPA|/giːs/}} and broken from {{IPA|/brɔːken/}} to {{IPA|/broːkən/}}. The high vowels {{IPA|/iː/}} and {{IPA|/uː/}} became diphthongs (for example, mice changed from {{Audio-IPA|help=no|ME-mice.ogg|/miːs/}} to {{Audio-IPA|help=no|ModE-mice01.ogg|/maɪs/}}), and the low back vowel {{IPA|/a/}} was fronted, causing name to change from {{Audio-IPA|help=no|ME-name.ogg|/na:mə/}} to {{Audio-IPA|help=no|ModE-name.ogg|/neɪm/}}.[2]

The Great Vowel Shift occurred over centuries, and not all varieties of English were affected in the same ways. For example, some speakers in Scotland still pronounce house similarly to its sound in Middle English before the shift, as {{IPA|[hus]}}.[4]

A chain shift may affect only one regional dialect of a language, or it may begin in a particular regional dialect and then expand beyond the region in which it originated. A number of recent regional chain shifts have occurred in English. Perhaps the most well-known is the Northern Cities Vowel Shift, which is largely confined to the "Inland North" region of the United States. Other examples in North America are the California vowel shift, Southern vowel shift (in the Southern United States) and the Canadian Shift. In England, the Cockney vowel shift among working-class Londoners is familiar from its prominence in plays such as George Bernard Shaw's Pygmalion (and the related musical My Fair Lady):{{cn|date=February 2017}}

{{IPA|iː}} → {{IPA|ei}} → {{IPA|ai}} → {{IPA|ɔi}} → {{IPA|oi}}

Many chain shifts are vowel shifts, because many sets of vowels are naturally arranged on a multi-value scale (e.g. vowel height or frontness). However, chain shifts can also occur in consonants. A famous example of such a shift is the well-known First Germanic Sound Shift or Grimm's Law, in which the Proto-Indo-European voiceless stop consonants became fricatives, the plain voiced stops became voiceless, and the breathy voiced stops became plain voiced:

{{IPA|bʱ}} → {{IPA|b}} → {{IPA|p}} → {{IPA|f}}

{{IPA|dʱ}} → {{IPA|d}} → {{IPA|t}} → {{Audio-IPA|help=no|Voiceless dental fricative.ogg|θ}}

{{IPA|ɡʱ}} → {{IPA|ɡ}} → {{IPA|k}} → {{IPA|h,x}}

Another is the High German consonant shift which separated Old High German from other West Germanic dialects such as Old English, Old Frisian, and Old Saxon:

help=no|Voiced alveolar plosive.ogg|d}} → {{Audio-IPA|help=no|Voiceless alveolar plosive.ogg|t}} → {{IPA|ts}}, {{Audio-IPA|help=no|Voiceless alveolar sibilant.ogg|s}}
help=no|Voiced velar stop.ogg|g}} → {{Audio-IPA|help=no|Voiceless velar plosive.ogg|k}} → {{IPA|kx}}, {{Audio-IPA|help=no|Voiceless velar fricative.ogg|x}}
help=no|Voiced bilabial plosive.ogg|b}} → {{Audio-IPA|help=no|Voiceless bilabial plosive.ogg|p}} → {{IPA|pf}}, {{Audio-IPA|help=no|Voiceless labiodental fricative.ogg|f}}

The Romance languages to the north and west of central Italy (e.g. French, Spanish, Portuguese, Catalan and various northern Italian languages) are known for a set of chain shifts collectively termed lenition, which affected stop consonants between vowels:

{{IPA|pp}} → {{IPA|p}} → {{IPA|b}} → {{Audio-IPA|help=no|Voiced bilabial fricative.ogg|β}}, {{IPA|v}}

{{IPA|tt}} → {{IPA|t}} → {{IPA|d}} → {{Audio-IPA|help=no|Voiced dental fricative.ogg|ð}} (or vanishes)

{{IPA|kk}} → {{IPA|k}} → {{IPA|ɡ}} → {{Audio-IPA|help=no|Voiced velar fricative.ogg|ɣ}}, {{IPA|j}} (or vanishes)

In this case, each sound became weaker (or more "lenited").

Synchronic shifts

It is also possible for chain shifts to occur synchronically, within the phonology of a language as it exists at a single point in time.[5]

Nzebi (or Njebi), a Bantu language of Gabon, has the following chain shift, triggered morphophonologically by certain tense/aspect suffixes:

a}} → ɛ}} → e}} → i}}
ə}} → i}}
ɔ}} → o}} → u}}

Examples follow:[6]

Underlying form Chain-shifted form
sal}} "to work"sal-i}} → {{IPA|sɛli}}
βɛɛd}} "to give"βɛɛd-i}} → {{IPA|βeedi}}
bet}} "to carry"bet-i}} → {{IPA|biti}}
bis}} "to refuse"bis-i}} → {{IPA|bisi}}
kolən}} "to go down"kolən-i}} → {{IPA|kulini}}
tɔɔd}} "to arrive"tɔɔd-i}} → {{IPA|toodi}}
suɛm}} "to hide oneself"suɛm-i}} → {{IPA|suemi}}

Another example of a chain from Bedouin Hijazi Arabic involves vowel raising and deletion:[5]

a}} → i}} → deletion

In nonfinal open syllables, {{IPA|/a/}} raises to {{IPA|/i/}} while {{IPA|/i/}} in the same position is deleted.

Synchronic chain shifts may be circular. An example of this is Xiamen tone or Taiwanese tone sandhi:[5]{{rp|fn 348}}{{better source|date=February 2017|reason=This is just a passing mention in a footnote.}}

53 → 44 → 22 → 21 → 53

The contour tones are lowered to a lower tone, and the lowest tone (21) circles back to the highest tone (53).

Synchronic chain shifts are an example of the theoretical problem of phonological opacity. Although easily accounted for in a derivational rule-based phonology, its analysis in standard parallel Optimality Theory is problematic.[5]

See also

  • Isogloss
  • Sound change

References

1. ^1 {{cite book|last=Murray|first=Robert|chapter=Historical linguistics: The study of language change|title=Contemporary Linguistics An Introduction|editors=W. O'Grady, J. Archibald, M. Aronoff, J. Rees-Miller|publisher=Bedford St. Martin|year=2001|pages=287–346|isbn=0-312-24738-9}}
2. ^1 2 {{cite book|last1=Fromkin|first1=Victoria|last2=Rodman|first2=Robert|title=An Introduction to Language|publisher=Harcourt Brace|year=1993|pages=326–327|isbn=0-03-054983-3}}
3. ^1 {{cite encyclopedia|year=2011|last=Łubowicz|first=Anna|title=Chain shifts|encyclopedia=The Blackwell Companion to Phonology|doi=10.1002/9781444335262.wbctp0073}}
4. ^1 {{cite book|last=Winkler|first=Elizabeth Grace|title=Understanding Language|location=London|publisher=Continuum|year=2007|page=187|isbn=0-8264-84824}}
5. ^1 2 3 Kirchner, Robert. (1996). Synchronic chain shifts in Optimality Theory. Linguistic Inquiry, 27, 341-350.
6. ^Guthrie, Malcolm. (1968). Notes on Nzebi (Gabon). Journal of African Languages, 7,101-129.

3 : Historical linguistics|Phonology|Sound changes
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