From Proto-Malayo-Polynesian *kukuq (“stick to, adhere firmly”), from Proto-Austronesian *kukuq (“stick to, adhere firmly”).
ꦏꦸꦏꦸꦃ (kukuh) (ngoko ꦏꦸꦏꦸꦃ, krama ꦏꦺꦏꦃ)