The story
- Proto-Italic*wre-
- Latinre-
- Proto-Indo-European*(s)leg-
- Proto-Indo-European*(s)leg-s-ós
- Latinlaxus
- Latinlaxō
- Latinrelaxāre
- Old Frenchrelaxer
- Middle Frenchrelaxer
- Latinrelaxāre
- Middle Englishrelaxen
- Englishrelax
- English todayrelaxer
Etymology from Wiktionary, CC BY-SA 4.0.