The story
- Proto-Indo-European*h₁órs-o-s
- Proto-Germanic*arsaz
- Proto-West Germanic*ars
- Old Englishears
- Middle Englishars
- Englishass
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- English todayassless
Etymology from Wiktionary, CC BY-SA 4.0.