Where does “poignarder” come from?
poignarder (French) comes from French poignard, from Old French poignal, from Vulgar Latin pugnalis, from Latin pūgnus, from Proto-Italic pugnos, from Proto-Indo-European puǵnos, from Proto-Indo-European pewǵ- — to punch, fist-fight; to prick, poke, stab.
poignarder (French): to stab; to knife
Ancestry of “poignarder”, step by step