Mockery

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late Middle English: from Old French moquerie, from mocquer ‘to deride’.

wiktionary

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From Middle English mokkery, from Anglo-Norman mokerie, mokery and Middle French mocquerie, moquerie, from moquer, moker(“to mock”) + -erie(“-ery”), perhaps from Byzantine Greek μωκός(mōkós, “mocker”), perhaps from Arabic الْمَكْرُ‎ (al-makru, “guile, cunning”). Equivalent to mock +‎ -ery.

etymonline

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mockery (n.)

early 15c., mokkerie, "act of derision or scorn; ridicule, disparagement; a delusion, sham, pretense," from Old French mocquerie "sneering, mockery, sarcasm" (13c., Modern French moquerie), from moquer (see mock (v.)). From mid-15c. as "joking, making mischievous pleasantries." Mockage also was common 16c.-17c.