The story
- Proto-Indo-European*ǵeh₂r-
- Proto-Germanic*karō
- Proto-West Germanic*karu
- Old Englishcaru
- Middle Englishcare
- Englishcare
- Proto-Indo-European*preyH-
- Proto-Indo-European*priHós
- Proto-Germanic*frijwaz
- Proto-West Germanic*friu
- Old Englishfrēo
- English todaycarefree
Etymology from Wiktionary, CC BY-SA 4.0.