The story
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Proto-Italic*prō
- Latinprō
- Englishpro-
- Proto-Indo-European*peh₂ḱ-
- Proto-Indo-European*péh₂ḱs
- Proto-Italic*pāks
- Latinpāx
- Old Frenchpais
- Anglo-Normanpeis
- Middle Englishpees
- Englishpeace
- English todaypropeace
Etymology from Wiktionary, CC BY-SA 4.0.