s/he bumps, hits against something accidentally (as something stick- or wood-like)
imbitaakoshin 1s ind; nimbitaakoshin 1s ind; nibitaakoshin 1s ind; bitaakoshin 3s ind; bitaakoshing 3s conj; betaakoshing 3s ch-conj; Stem: /bitaakoshin-/