Proto-North Caucasian: *ṭV̆tV(wV)
Meaning: silver; gold
Notes: An interesting Nakh-Ub. isogloss; borrowing is hardly possible (there are no direct Nakh-Ubykh contacts, and the appearance of the words excludes direct borrowing), thus the root may go back to the PNC level. See Trubetzkoy 1930, 276.