Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *h₁epi

→ English epitrachelion (derived)
→ English be- (inherited)
→ German be- (derived)
→ Irish ar (derived)
→ Irish iarr (derived)
→ Irish fiafraigh (derived)
→ Irish aoibh (mention)
→ Proto-Germanic by (derived(gem-pro/en))
→ Ancient Greek ἐπί (inherited)
→ Ancient Greek ὀπίσω (mention)
→ Ancient Greek ὀψέ (derived)
→ Latin ob (derived)
→ Latin optimus (derived)
→ Latin operio (derived)
→ Limburgish bie (inherited)
→ Lithuanian apie (inherited)
→ Lithuanian ap- (inherited)
→ Lithuanian ap- (mention)
→ Latvian ap- (inherited)
→ Latvian ap- (mention)
→ Sanskrit अपि (inherited)
→ Albanian mbi (mention)
→ Albanian epër (derived)
→ Swedish afton (derived)
→ Old Armenian եւ (inherited)
→ Old Armenian ու (mention)
→ Yiddish באַ־ (inherited)