paṭihanati

to strike against, ward off, keep away, destroy MN.i.273; Mil.367; ppr. paṭihanamāna meeting, impinging on, striking against Vism.343. ger. paṭihacca SN.v.69, SN.v.237, SN.v.285; fut. paṭihaṅkhati; pp paṭihata (q.v.)
pass paṭihaññati Iti.103; Ja.i.7; Dhs-a.72.

paṭi + han