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late 12c., "scold, nag, rail," originally intransitive, from Old English cidan "to contend, quarrel, complain." Not found outside Old English (though Liberman says it is "probably related to OHG *kîdal 'wedge,'" with a sense evolution from "brandishing sticks" to "scold, reprove"). Past tense, past participle can be chided or chid or even (past participle) chidden (Shakespeare used it); present participle is chiding.