The story
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- English today-ial
Inherited from Middle English -ial, derived from Old French -ial, derived from Latin -ālis after radical in -ius, -ia, -ium. Equivalent to -i- + -al.
Etymology from Wiktionary, CC BY-SA 4.0.