The story
- Proto-Indo-European*dewh₂-der.?
- Proto-Italic*dwenos
- Old Latin*duenelos?
- Old Latinduellum
- Old Latinduellicus
- Latinbellicus
- Latinbellicum signumellip.?
- Latinbellicum
- Proto-Indo-European*h₃ed-
- Proto-Indo-European*h₃édosder.?
- Latinbellicosus
- Middle Englishbellicose
- English todaybellicose
From Middle English bellicose, from Latin bellicosus.
Etymology from Wiktionary, CC BY-SA 4.0.