The story
- Proto-Indo-European*h₁éǵʰ
- Proto-Indo-European*h₁éǵʰs
- Proto-Italic*eks
- Latinex
- Latinex-
- Proto-Indo-European*(s)leh₂b-der.?
- Latinlābor
- Latinēlābor
- Latinelapsus
- Middle Frenchelapser
- English todayelapse
From Middle French elapser, from Latin elapsus.
Etymology from Wiktionary, CC BY-SA 4.0.