Rebellion

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Middle English: from Old French, from Latin rebellio(n- ), from rebellis (see rebel).

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From Middle English rebellioun, rebellion, from Old French rebellion, from Latin rebellio.

etymonline

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rebellion (n.)

"war waged against a government by some portion of its subjects" (originally especially against God or Church authority), mid-14c., rebellioun, from Old French rebellion (14c.) and directly from Latin rebellionem (nominative rebellio) "rebellion, revolt; renewal of war," from rebellis "insurgent, rebellious" (see rebel (adj.)).