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*ḱeh₃-
- Proto-Indo-European*ḱóh₃nos
- Ancient Greekκῶνος (kônos)
- Medieval Latincōnus
- Middle Englishcone
- Englishcone
- English todayprotocone
Etymology from Wiktionary, CC BY-SA 4.0.