Borean (approx.) : TVKV
Meaning : mountain, high
Sino-Caucasian : ? OC *diak stone; ST *thɨāk 'lift, support'
Amerind (misc.) : *take 'head' (actually: 'high, top, above') (R 367) [+ A]; *tak 'stone; mountain' ? (R 695)
Notes : PST also has *d(r)ǝ̆k 'top, ascend' (possibly < AA), and PAA has *tVʔ 'stone' (possibly < ST; cf. *TVHV).
