Proto-West-Caucasian: *š́:a-
Meaning: 1 to ripen 2 to become soft (as cheese, etc.) 2 ripe
Adyghe: ša-n 1
Kabardian: śa-n 2
Ubykh: š́-q̇a 3
Comments: PAK *š:a- (cf. Bzhed. š:a-). PAT *sʷǝ- 'to ripen' (despite Абдоков 1983, 143) can not be compared for phonetic reasons.