πτερύγιο

Learned borrowing from Ancient Greek πτερύγιον (pterúgion), diminutive of πτέρυξ (ptérux) (whence Greek πτέρυγα (ptéryga)).

πτερύγιο • (pterýgio) n (plural πτερύγια)

1. fin, flipper (of fish)
2. (by extension) mechanical part resembling a fin
3. (by extension) blade of a propeller
4. (anatomy) auricle (of the ear), pinna

• πτερύγιο, in Λεξικό της κοινής νεοελληνικής [Dictionary of Standard Modern Greek], Triantafyllidis Foundation, 1998 at the Centre for the Greek language