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federation (n.)

1721, "union by agreement," from French fédération, from Late Latin foederationem (nominative foederatio), noun of action from past-participle stem of Latin foederare "league together," from foedus "covenant, league" (from PIE root *bheidh- "to trust, confide, persuade").

also from 1721
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Trends of federation

updated on February 01, 2021

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