zuckend
Zuckend is a German adjective derived from the verb zucken, meaning to twitch or jerk. It describes involuntary, quick movements of a body part or a tingling or jolting sensation. Common contexts include medical descriptions of muscle fasciculations, as in zuckende Muskeln, and everyday descriptions of nervous or reactive gestures, such as eine zuckende Hand.
Etymology and grammar: Zuckend combines zucken with the participle suffix -end and functions as an attributive
Usage notes: The related noun Zucken refers to a twitch or spasm. Zuckend emphasizes the ongoing character
See also: Zucken, the noun for a twitch; Zuckung, another noun form related to twitching or spasms.