hostia
/ˈostja/ · B2 · noun · f
wafer
🫓👊 Latin hostia = sacrificial victim, hence the holy host wafer
The h is silent, so it sounds like OS-tya. In Spain the sacred word turned into a swear word: ¡Hostia! means jeez, una hostia is a slap, and ser la hostia means to be the best.