The story
- Englishaberration
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- English todayaberrational
From aberration + -al.
First known use, by meaning
- Mid 19ᵗʰ century. Characterized by aberration.
Etymology from Wiktionary, CC BY-SA 4.0.