Significance

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late Middle English (denoting unstated meaning): from Old French, or from Latin significantia, from significare ‘indicate, portend’.

wiktionary

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From Old French significance, from Latin significantia.

etymonline

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significance (n.)

c. 1400, "meaning," from Old French significance or directly from Latin significantia "meaning, force, energy," from significans, present participle of significare "to mean, import, signify" (see signify). The earlier word was signifiance (mid-13c.). Meaning "importance" is from 1725. Related: Significancy.