The story
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Ancient Greekπρό (pró)
- Ancient Greekπρῶτος (prôtos)
- Ancient Greekπρωτο- (prōto-)
- Englishproto-
- Proto-Indo-European*dn̥ǵʰwéh₂s
- Proto-Italic*dn̥ɣwā
- Latindingua
- Latinlingua
- Vulgar Latin*linguāticum
- Old Frenchlanguage
- Middle Englishlangage
- Englishlanguage
- English todayproto-language
Etymology from Wiktionary, CC BY-SA 4.0.