protobird en · NOUN
Etymology
Etymology tree Proto-Indo-European *per-der.? Proto-Indo-European *per-der.? Proto-Indo-European *pér Proto-Indo-European *-o Proto-Indo-European *próder. Ancient Greek πρό (pró) Ancient Greek -ᾰτος (-ătos) Ancient Greek πρῶτος (prôtos) Ancient Greek πρωτο- (prōto-)lbor. English proto- Old English bridd Middle English brid English bird English protobird From proto- + bird.
Meanings
- (informal) Any of several extinct animals proposed as an evolutionary link between fossil reptiles and fossil birds; a proavian.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| protobirds | Number=Plur | lexicographic |