"Dulaw" is a word in HILIGAYNON, CEBUANO

duláw - A kind of plant somewhat similar
to the kalawág and sagíngsagíng; a sort of
crocus or saffron; its roots yield a yellowish
dye.

dulaw n turmeric, an herb resembling ginger, the rootstock of which is used as a yellow-colored spice for stews: Curcuma longa.

dúlaw gi- know s.t.
about s.t.
Wà kuy gidúlaw báhin sa makinilya, I dont know anything about typing.
Way gidúlaw ang ginikánan nga nakigtában ang ílang anak, The parents had no idea their children eloped.