←
Old English ecg (cognate)
←
Old Church Slavonic остръ (cognate)
←
Proto-Indo-European *h₂eḱ- (root)
←
Proto-Indo-European *h₂ḱrós (inherited)
←
Old Armenian ասեղն (cognate)
→
English acro- (derived)
→
Greek άκρος (inherited)
→
Ancient Greek ἀκμή (mention)
→
Ancient Greek ἀκραής (mention)
→
Ancient Greek ἀκόνη (mention)
→
Italian acro- (derived)
→
Translingual acro- (derived)
→
Norwegian Bokmål akro- (derived)