The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Hellenic*ə-
- Ancient Greekἀ- (a-)
- Englisha-
- Englishcontext
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishcontextual
- English todayacontextual
From a- + contextual.
Etymology from Wiktionary, CC BY-SA 4.0.