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太古宙

Mandarin · pinyin Tài gǔ zhòu

Archaean (geological eon before 2500m years ago)

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Characters in this entry

太: tài · very, too, much; big; extreme
古: gǔ · old, classic, ancient
宙: zhòu · time as concept; infinite time

Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

4–3–4 · Tai4 gu3 zhou4

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Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

name

(geology) the Archean eon (part of the Precambrian supereon, spanning from 4 to 2.5 billion years ago)

Source page · dump 2026-09-02 · Contributors & history

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