Where does “archipterygium” come from?
archipterygium (English) comes from Ancient Greek πτερύγιον, from Ancient Greek πτέρυξ, from Ancient Greek πτερόν, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.
archipterygium (English): A primitive fin, like that of Ceratodus
Definitions
- A primitive fin, like that of Ceratodus