Comments:Владимирцов 272. Cf. *tā́p`V, *t`ĕ̀p`a (with a possibility of mergers). The Turk. variant *dēp- is secondary, probably under the influence of *dāp- < *tā́p`V, but may be rather old: cf. the match PT *dep-se- : PM *deb-se- 'to stamp, tramp' (a secondary loan is hardly possible in this case).