buzo

diver (someone who dives underwater); overall; hooded sweatshirt, hoodie (loose shirt, usually made of a knit fleece, for athletic wear and now often used as casual apparel); joggers, tracksuit (particularly the trousers of the tracksuit)

Borrowed from Portuguese búzio (“snail”), from Latin būcinum (“curved war trumpet”).

witty, sharp.

“Ella es muy buza para el estudio.” — She's so sharp at studying.

Back-formation from abusado.