Etimoloji
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ἀ- (a-) Ancient Greek σθένος (sthénos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek ἀσθενής (asthenḗs)der. Polish asteno- Derived from Ancient Greek ἀσθενής (asthenḗs).