Something sharp (-om-) penetrates easily into wood.
also 'to penetrate the mind of someone', thus to affect an emotional change; Ilo. 'moisture or light penetrates'
sarót
Somnarot danaw bahayang ni marāan, ta bayo a nachipo.
Uncle's bolo penetrated easily, because it was newly forged.
Something sharp (ma-) can penetrate easily into wood.
Masarot bahayang ni āmang, ta tinarem na.
Father's bolo can penetrate easily, because he sharpened it.