Meaning

noun loss of the ability to move a body part

noun a condition marked by uncontrollable tremor

verb affect with palsy

originFrom Middle English palesie, from Anglo-Norman paralisie, parleisie et al., from Latin paralysis, from Ancient Greek παράλυσις (parálusis, “palsy”), from παραλύω (paralúō, “to disable on one side”), from παρα- (para-, “beside”) + λύω (lúō, “loosen”). Doublet of paralysis.

Etymology from Wiktionary, CC BY-SA 3.0