preaerobic.
Describing life on Earth that evolved before there was oxygen in the atmosphere
Meaning & usage
Describing life on Earth that evolved before there was oxygen in the atmosphere
Where this word comes from
Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *h₂ews- Proto-Indo-European *-r 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 English preaerobic From pre- + aerobic.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.