The story
- Proto-Indo-European*kéh₂ilos
- Proto-Germanic*hailaz
- Proto-Germanic*hailagaz
- Proto-Indo-European*dʰegʷʰ-?
- Proto-Germanic*dagaz
- Proto-Germanic*hailagadagaz
- Old Englishhāliġdæġ
- Middle Englishhalyday
- Englishholiday
- English todayholidayer
Etymology from Wiktionary, CC BY-SA 4.0.