From Proto-Malayo-Polynesian *bukaʔ, *bukaq (“to open, uncover”), *-kaq (“open forcibly”).
ꦧꦶꦏꦏ꧀ (bikak) (ngoko ꦧꦸꦏꦏ꧀, krama ꦧꦶꦏꦏ꧀)