The story
- Proto-Indo-European*h₁éǵʰ
- Proto-Indo-European*h₁éǵʰs
- Proto-Italic*eks
- Latinex
- Latinex-
- Proto-Indo-European*pewǵ-
- Proto-Italic*pungō
- Latinpungō
- Latinexpungere
- English todayexpunge
Learned borrowing from Latin expungere.
Etymology from Wiktionary, CC BY-SA 4.0.