Vocabulary diffusion

The word vocabulary diffusion (British: lexical diffusion) is spoken in a phenomenon and two theoretical meanings in historical linguistics. A certain phoneme changes only with a part of the vocabulary, and the vocabulary diffusion as the phenomenon says that it gradually spreads through other vocabulary. For example, English /uː/ changed in /ʊ/ in good, hood, but does not change in food. There are the changing dialect and dialect that is not so about hoof, roof. Because a change happened early in flood, blood, I put on the influence of the change of /ʌ/ from different /ʊ/ which was not productive now.

The vocabulary diffusion as the theory begins from one all sound conjugations submitted in 1969 by an origin of King person or few words and opens in other words with the constitution of similar phoneme, but is an opinion not to have possibilities to open in all words that I may scatter. The vocabulary divergence theory is opposed to a theory of the neogrammarian that a sound change happens in all words of the same context at the same time.

William ラボフ showed a viewpoint to include two kinds of the regular sound change (according to a theory of the neogrammarian) and vocabulary diffusion to a sound change in "the principle of the language change". ラボフ is easy to change regularly whether a certain phenomenon changes regularly by all means (e.g., the qualitative change of the vowel sound) and makes the list of types so that it is said that other kinds (a sound rank switch and a short vowel) are easy to follow the vocabulary diffusion.

When pole キパルスキー is an article in "a phonology handbook" and defines it appropriately when an analogy means optimization, the vocabulary diffusion insists on stability of the morphology in the meaning called the analogy to amount for nonequilibrium not kind of the sound change if making it it is near.

References

• Kiparsky, Paul (1995), "The phonological basis of sound change," it is in John A. Goldsmith, The Handbook of Phonological Theory, Cambridge, Mass.: Blackwell, pp. 640–70, ISBN 0-631-18062-1 
• It is Internal Factors, Cambridge, Mass.: Labov, William (1994), Principles of Linguistic Change, Volume 1 Blackwell, ISBN 978-0-631-17913-9 
• Phillips, Betty (2006), Word Frequency and Lexical Diffusion, New York: Palgrave MacMillan, ISBN 978-1-4039-3232-7 

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