petard · noun1
- Middle French · borrowed frompetard
- English todaypetard
From Middle French petard; see Modern French pétard (“firecracker”).
petard · verb2
- Middle French · borrowed frompetarder
- English todaypetard
From Middle French petarder (Modern French pétarder), from petard + -er (suffix forming verbs).
Etymology from Wiktionary, CC BY-SA 4.0.