Протонахский: *ḳaru
Значение: coal
Чеченский: ḳora
Ингушский: ḳor
Бацбийский: ḳor
Комментарии: 5th class in Chech., Ing., b in Bacb. Cf. also Shar. ḳoro, Khild. ḳoru, Cheb. ḳaru - proving the reconstruction with *-a-. The form ḳor in Bacb. is irregular (*ḳajru should be expected) and still has to be explained.
