The story
- Proto-Celtic*kʷennom
- Proto-Brythonic*penn
- Welshpen?
- Proto-Indo-European*weyd-der.?
- Proto-Celtic*windos
- Proto-Brythonic*gwɨnn
- Welshgwyn?
- Proto-Indo-European*peyh₂-
- Proto-Indo-European*bʰenǵʰ-influ.?
- Latinpinguisder.?
- Englishpenguin
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todaypenguinlike
Etymology from Wiktionary, CC BY-SA 4.0.