hundir
/unˈdiɾ/ · B1 · verb
to sink, engulf
🚢⚓ hundir is a cousin of English founder, as when a ship founders and sinks
Both come from Latin fundus, bottom. Old Spanish often turned Latin f into h (facere became hacer), so fund- became hund-. To hundir something is to send it to the bottom, which also gives fondo, bottom.