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From Ancient Greek δυσ- (dus-) + διάδοχος (diádokhos) + κίνησις (kínēsis) + -ία (-ía).
Etymology from Wiktionary, CC BY-SA 4.0.
dysdiadochokinesia
Today it means: A neurological sign where a person has difficulty performing rapid, alternating movements, usually indicating cerebellar dysfunction. Full definition →