The story
- Proto-Celtic · derived from*ɸarekʷennom
- Gaulish · derived from*are-penno-“end, extremity of a field”
- Late Latin · derived fromarepennis“surface of a field”
- French · borrowed fromarpent
- English todayarpent
From French arpent, from Late Latin arepennis (“surface of a field”), from Gaulish *are-penno- (“end, extremity of a field”), from Proto-Celtic *ɸarekʷennom.
Etymology from Wiktionary, CC BY-SA 4.0.