The story
- Proto-Indo-European*h₁én
- Ancient Greekἐν (en)
- Ancient Greekἐν- (en-)
- Proto-Indo-European*per-
- Proto-Indo-European*périh₂
- Proto-Hellenic*péřřa
- Ancient Greekπεῖρα (peîra)
- Ancient Greekἔμπειρος (émpeiros)
- Ancient Greekἐμπειρία (empeiría)
- Ancient Greekἐμπειρῐκός (empeirĭkós)
- Latinempīricu
- Englishempiric
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishempirical
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todayempirically
From empirical + -ly.
Etymology from Wiktionary, CC BY-SA 4.0.