pter-
1 
variant of ptero- before a vowel:
pteranodon.
Related Words
- pteranodon
- apterium
- ptero-
pter-
combining form 
or ptero-
Etymology: New Latin, from Greek, from pteron — more at feather 
 : feather : wing 
< pteridium >
< pterodactyl >
or ptero-
< pteridium >
< pterodactyl >