Word Study
archine |
arching |
archipallium |
archipelagic |
archipelago |
archipterygium
| architect
| architective
| architectonic
| architectonical
| architectonics
archipterygium
CIDE DICTIONARY
archipterygium, n. [NL., fr. Gr. pref. 'archi- (E. arch-) + ptery`gion wing, fin.].
The primitive form of fin, like that of Ceratodus. [1913 Webster]
For further exploring for "archipterygium" in Webster Dictionary Online