Where does “expungere” come from?

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

expungere (Latin): second-person singular future passive indicative...

Definitions

second-person singular future passive indicative...

Ancestry of “expungere”, step by step

Step	Language	Word	Meaning
1	Latin	expungo	I strike out, cross out, blot out, erase; I...
2	Latin	pungō	to prick; to puncture; to sting
3	Proto-Italic	pungō	to prick, to sting
4	Proto-Indo-European	pewǵ-	to punch, fist-fight; to prick, poke, stab

Every word from Proto-Indo-European pewǵ- →Every word from Proto-Italic pungō →Every word from Latin pungō →