Ectasian.
Of a geologic period within the Mesoproterozoic era from about 1400 to 1200 million years ago.
Meaning & usage
Of a geologic period within the Mesoproterozoic era from about 1400 to 1200 million years ago.
Where this word comes from
Etymology tree Ancient Greek ἔκτασις (éktasis) Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Proto-Indo-European *-nós Proto-Italic *-nos Proto-Italic *-ānos Latin -ānus Latin -iānusbor. English -ian English Ectasian From Ancient Greek ἔκτασις (éktasis, “extension”) + English -ian.
The Ectasian period.
Where this word comes from
Etymology tree Ancient Greek ἔκτασις (éktasis) Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Proto-Indo-European *-nós Proto-Italic *-nos Proto-Italic *-ānos Latin -ānus Latin -iānusbor. English -ian English Ectasian From Ancient Greek ἔκτασις (éktasis, “extension”) + English -ian.
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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.