köken: Etymology tree Proto-Indo-European *h₂ews- Proto-Indo-European *h₂ewsér Proto-Hellenic *auhḗr Ancient Greek ἀήρ (aḗr) Proto-Indo-European *gʷeyh₃-der. Ancient Greek βίος (bíos) French aérobie Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English aerobic Old English -as Middle English -es English -s English aerobicsbor. Polish…