This is not a native Tagalog word. It is a word used in other Philippine languages, particularly those in the southern part of the country where Muslims predominate.
tú·baw
túbaw
Tubaw or tubao is a turban or headdress worn by men in the Muslim-influenced communities of Southern Philippines
MGA KAHULUGAN SA TAGALOG
túbaw: umbók
túbaw: tela na itinatalì sa noo at ulo ng sultan