The story
- Proto-Indo-European*ḱel-
- Proto-Indo-European*ḱélōs
- Proto-Italic*kelōs
- Old Latincolōs
- Latincolor
- Old Frenchcolor
- Anglo-Normancolur
- Middle Englishcolour
- Englishcolour
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- English todaycolourless
Etymology from Wiktionary, CC BY-SA 4.0.