pa-, mag-, -an
‘body postures’ to be face
down; to lie
face
down; to fall
face
down.
This word has primary reference to position rather than action.
Ley maghakkoman sigeya pag ling-na, "Pahakkom kam".
They lay face down when he said, "You all lie face down."
I happen to have bumped [into something]; I have fallen face down.