labialismn.
/ˈleɪbɪəlɪz(ə)m/, U.S. /ˈleɪbiəˌlɪz(ə)m/ Phonetics.
The tendency of speech sounds to become labialized; labial articulation.
ΘΚΠ
the mind > language > linguistics > study of speech sound > speech sound > vowel > [noun] > types of > articulation of
rounding1833
labialism1869
labialization1869
obscuring1873
raising1874
unrounding1874
reduction1885
delabialization1907
r-colour1935
centralization1939
vowel-laxing1977
1869 J. Peile Introd. Greek & Lat. Etymol. xiv. 283 (heading) Labialism. This name has been given (first, so far as I know, by Professor Curtius) to the change from K to π and p1.
1881 Encycl. Brit. XIII. 810/2 In one set [of cognate words] we see the phenomenon of labialism, in the other assibilation, but no touch of labialism.
1901 Eng. Hist. Rev. 16 746 We are told that there are in the Homeric dialect traces of labialism which point to a Celtic contamination of a Greek dialect.
1933 Classical Rev. 47 238/1 Labialism may result from the spread of Indo-European speech from a short-lipped to a longer-lipped breed.
1966 Studi Micenei ed Egeo-Anatolici 11 39 The labialism is more consistent here than in other areas of Greek.
This entry has been updated (OED Third Edition, June 2018; most recently modified version published online March 2022).
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n.1869