Proto-Nakh: *=ʕāχ-(in)
Meaning: long
Chechen: =ēχ-a
Ingush: =ʕäχ-a
Batsbi: =aχχ-ẽ
Comments: Cf. also Shar. =ʕēχĩ, Cheb. =āχẽ, Khild. =ʕēχe etc. The geminated -χχ- in Bacb. is obviously expressive. The pure root *ʕāχ- is present in Chech. =aχ-dan "to lengthen", Bacb. =aχ-dar id.