tuyu' noun English. One's purpose, mission, aim in going somewhere. Example sentence: Subanen. Sa' duuni getaw menaik dig balay mu, ndi' mu deli' saakay sa' ta' ig tuyu'en, segaga, pemama' mu deli' atawaka pesigupen mu, dekag ni'a saakay, sa' metubus mengmama'. English. If s.o. visits in your home, don't ask him right away what he came for; rather, offer him betelnut chew or a smoke before you ask him.