From Middle English ern, erne, earn, from Old English earn (“eagle”), from Proto-Germanic *arô (“eagle”), from Proto-Indo-European *or- (“large bird, eagle”). Cognate with Dutch and Low German arend (“eagle”), Danish ørn (“eagle”), Swedish örn (“eagle”), German Aar (“eagle”), Ancient Greek ὄρνεον (orneon), ὄρνις (órneon, órnis, “bird”).
erne (plural ernes)
- (chiefly poetic, dialectal, sciences) An eagle.
- The bald earn
- An eagle with a distinctive white tail; specifically, the white-tailed eagle (Haliaeetus albicilla).