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proto-phoneme
proto-phoneme n.
Brit. 
/ˌprəʊtə(ʊ)ˈfəʊniːm/
, /ˌprəʊtə(ʊ)ˈfəʊniːm/U.S. /ˌproʊdoʊˈfoʊˌnim/
/ˌproʊdoʊˈfoʊˌnim/ΘΚΠ
the mind > language > linguistics > study of speech sound > speech sound > [noun] > phoneme, allophone, etc.
phonea1866
phoneme1879
metaphone1930
diaphone1932
variphone1932
morphoneme1933
morphophoneme1934
microphoneme1935
stress phoneme1936
archiphoneme1937
allophone1938
diaphoneme1939
prosodeme1939
keneme1950
proto-phoneme1951
idiophoneme1955
morphon1964
hypophoneme1966
morphophone1967
1951 Language 27 539 Such an association would require the hypothesis that the intervocalic proto-phoneme was *Z.
1974 R. W. Wescott Language Origins 116 Only eight proto-phonemes..appear in all five of their formulations. The eight are p, t, k; m, n; y, w; e.
2002 Internat. Jrnl. Amer. Linguistics 68 167 The primary influence toward the development of the tʃ in Wanano is the process of palatalization due to the contiguity of the proto-phoneme with front vowels.
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