Archaean.
Of or relating to Arche, the Muse of beginnings in Greek mythology.
Meaning & usage
Of or relating to Arche, the Muse of beginnings in Greek mythology.
Of, or relating to the geologic eon from about 4,031 to 2,500 million years ago; comprises the Eoarchean, Paleoarchean, Mesoarchean and Neoarchean eras; marked by an atmosphere with little oxygen, the formation of the first continents and oceans and the emergence of simple life.
Of or relating to the irregular Jovian moon named for Arche.
Where this word comes from
From Ancient Greek ἀρχαῖος (arkhaîos, “ancient”) (likely via Latin archaeus) + -an.
The eon from 2,500 Ma to 4,000 Ma.
Where this word comes from
From Ancient Greek ἀρχαῖος (arkhaîos, “ancient”) (likely via Latin archaeus) + -an.
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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.