Protoform: *=ac̣:Vn- (~-o-)
Meaning: 1 to clean 2 clean, pure
Avar: =ac̣:n- 1
Andian language: =erc̣:om 2
Akhvakh: =ac̣:onu= 1
Chamalal: =aṣa-da= 2
Tindi: =ac:a-hi= 1
Karata: =ac̣:a-do= 2
Botlikh: c̣:in-ḳir 2
Bagvalal: =ac̣:a-ra= 2
Godoberi: c̣in-ḳi 2
Comments: Cf. also Av. =ac̣:a-da= 'clean', Akhv. =ac̣:a-da=, Tseg., Tl., Ratl. =ac̣:an-da= id., Tind. =ac:a-ja= id. etc. The adjective in all languages is a derivate of the verbal stem. Av. > Inkh. bac̣c̣ada-b, Gin. bac̣adaw.
The Botl. and God. forms go back to a suffixed *c̣:in-ḳV; cf. also Kar. Anch., Tok. c̣:inḳu= 'clean, pure'.
