The story
- Englishhalf-
- Proto-Indo-European*ud-s-?
- Proto-Indo-European*h₂u-s-?
- Proto-Germanic*uz-
- Proto-West Germanic*uʀ-
- Old Englishar-
- Old Englishā-
- Proto-Indo-European*weǵ-
- Proto-Germanic*wakaną
- Proto-West Germanic*wakan
- Old Englishwacan
- Old Englishāwacan
- Middle Englishawaken
- Middle Englishawake
- Englishawake
- English todayhalf-awake
Etymology from Wiktionary, CC BY-SA 4.0.