เชิงประจักษ์ ภาษาอังกฤษ

Etymology tree Proto-Indo-European *h₁én Ancient Greek ἐν (en) Ancient Greek ἐν- (en-) Proto-Indo-European *per- Proto-Indo-European *-is Proto-Indo-European *-h₂ Proto-Indo-European *-ih₂ Proto-Indo-European *périh₂ Proto-Hellenic *péřřa Ancient Greek πεῖρα (peîra) Ancient Greek -ος (-os) Ancient Greek ἔμπειρος (émpeiros) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Proto-Hellenic *-íā Ancient Greek -ῐ́ᾱ (-ĭ́ā) Ancient Greek ἐμπειρία (empeiría) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek ἐμπειρῐκός (empeirĭkós)bor. Latin empīricuslbor. English empiric Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English empirical From empiric + -al.