tapa-

to trample

Russian meaning: топтать
Karakhanid: tabrɨ- 'to jump about (about a camel)' (MK)
Tatar: tapa- (dial.)
Turkmen: dābala- 'to trample' (of a camel), dābɨra- 'to ride, stamp'
Oyrat: tabar- 'to fall upon'
Yakut: tabɨj- 'to hit with front hooves' (of a horse)
Dolgan: tabɨn- 'to scratch with a hoof'
Kazakh: tapa-
Bashkir: tapa-
Karakalpak: tapɨlda-
Comments: EDT 443, ЭСТЯ 3, 111-112, Stachowski 214. The Tat., Kaz., Bashk. and KKalp. reflect a variant *dapa- (or perhaps expressive *dāppa-, to account for the lack of voicing -p- > -b- after a long vowel).