The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Germanic*un-
- Proto-West Germanic*un-
- Old Englishun-
- Middle Englishun-
- Englishun-
- Proto-Indo-European*h₂eḱ-
- Proto-Indo-European*h₂eḱrós
- Proto-Italic*akris
- Classical Latinācer
- Late Latinācrus
- Old Frenchaigre
- Middle Englishegre
- Englisheager
- English todayuneager
Etymology from Wiktionary, CC BY-SA 4.0.