Proto-West-Caucasian: *c̣ʷV
Meaning: 1 to get sour 2 sour
Abkhaz: a-č̣̌-rá 1
Abaza: č̣č̣ʷ-ra 1
Adyghe: ṣ́ʷa-ʡʷǝ-n 1
Kabardian: f̣a-ʡʷǝ-n 1
Ubykh: ʒʷa-q̇(ǝ́) 2
Comments: PAT *c̣ʷǝ / *c̣ʷǝc̣ʷǝ (cf. also Abkh. a-r-č̣̌ǝ́, a-č̣̌ǝč̣̌ǝ́ 'sour', Abaz. č̣ʷ-q̇́á 'sour'); PAK *c̣ʷa-ʡʷǝ- ( = Ub. ʒʷa-q̇ǝ, Abaz. č̣ʷq̇́á). Ubykh has voiced ʒʷ- instead of *c̣ʷ as a result of dissimilation.
See Shakryl 1968, 85, Abdokov 1973, 32, 72, Shagirov 2, 102.
[NB: The common WC form *c̣ʷVq̇́ʷV (-q̇ʷV) may be analyzed as containing an adjectival suffix, but also may partly reflect another NC root, well reconstructed for PEC as *c̣_eḳwV (q.v.).; see Абдоков 1983, 151.]
