disorder (n.)

1520s, from disorder (v.).

disorder (v.)

late 15c., from dis- "not" (see dis-) + the verb order (v.). Replaced earlier disordeine (mid-14c.), from Old French desordainer, from Medieval Latin disordinare "throw into disorder," from Latin ordinare "to order, regulate" (see ordain). Related: Disordered; disordering.

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