Where does “pugio” come from?

pugio (Latin) comes from Proto-Indo-European pewǵ- — to punch, fist-fight; to prick, poke, stab.

Ancestry of “pugio”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	pewǵ-	to punch, fist-fight; to prick, poke, stab

pugio — Etymology, Origin & Word History | Etymology Explorer