Meaning of abyirtu

a. open. Abyirtu ang ganghaan, The door is open; v. open something; be opened.

n. seventh chord; v. play a seventh chord. Iabyirtu (abyirtúha) ang tapuy ig-abut sa dapit nga muingun ‘Matam-is uyámut’, When you get to the part that goes ‘How very sweet ...’ play a seventh chord.