Протонахский: *dʕāʁu
Значение: 1 key 2 lock
Чеченский: dōʁa 1,2
Ингушский: dʕɔʁa 1
Комментарии: 3d class in both languages. Cf. also Shar. dɔ̄ʁu, Cheb. dāʁu, Akk. dʕōʁō̃ etc. Cf. also Osset. däɣäl 'key' (from some early derivate, not preserved in modern languages), see Abayev 1958, 351.