Where does “poignel” come from?

poignel (Old French) comes 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.

Ancestry of “poignel”, step by step

StepLanguageWordMeaning
1Vulgar Latinpugnalis—
2Latinpūgnusa fist; a hand with all fingers curled up
3Proto-Italicpugnosfist
4Proto-Indo-Europeanpuǵnos—
5Proto-Indo-Europeanpewǵ-to punch, fist-fight; to prick, poke, stab
Every word from Proto-Indo-European pewǵ- →Every word from Proto-Indo-European puǵnos →Every word from Proto-Italic pugnos →