The Austronesian Comparative Dictionary

*ap(e)lag/ap(e)lak to lay out flat, as a mat

PPh ap(e)lag/ap(e)lak to lay out flat, as a mat

WMP
Bontok ʔaplag sleeping mat
Kankanaey men-aplág to lay the cloth, the mat; to make the bed
Ibaloy apdag to spread something --- of things that were folded or rolled (as rug, sleeping mat, blanket)
Casiguran Dumagat aplág to be lying aslant (of grass, growing rice, corn, etc.); to push grass over so that it is not standing straight up
Ilokano aplág to spread, unfurl (as a towel on the sand)
Ayta Abellan aplag lying as dead
Sambal (Botolan) aplák to spread out (as mat)
Mansaka aplak to lay out flat, as a mat