An adjectival prefix marking the utmost part of something.
see makatay- under maka-, and ka(C)V--an under ka-
Ari daw do mamantohosaw a anmo no pantaw.
It is there at the topmost part above the doorway.
Pinangay na do mamansayran a oyōsan.
He put it in the lowest part of the drawer.
Nangay sa do mamansokel a logar.
They went to the innermost place.