Where does “patella” come from?

patella (Latin) comes from Latin patīna, from Ancient Greek πατάνη, from Proto-Indo-European pet-ano, from Proto-Indo-European pete-, from Proto-Finnic ete-, from Serbo-Croatian tẹ́, from Proto-Slavic ta — inflection of *tъ: ## feminine singular ##...

patella (Latin): a small or shallow pan or dish; the kneecap,...