Protoform: *c̣:ʷaka ( ~ o)
Meaning: 1 brilliance 2 spark 3 star
Avar: c̣:ʷáki 1
Akhvakh: c̣:ʷaka 1
Chamalal: c̣aka 3 (Gig.)
Tindi: c̣akʷa 2
Comments: Cf. also Av. c̣:ʷák- 'to glitter' (c̣:ʷáki 'brilliance' is formally a verbal derivate). The Tind. form has an irregular c̣- (c:- would be expected) and metathesis of labialisation.
