tremor
noun
[ ˈtrɛmə ]
• an involuntary quivering movement.
• "a disorder that causes tremors and muscle rigidity"
Similar:
trembling,
shaking,
shakiness,
tremble,
shake,
quivering,
quiver,
twitching,
twitch,
convulsion,
vibration,
juddering,
judder,
quavering,
quaver,
tic,
• a slight earthquake.
tremor
verb
• undergo a tremor or tremors.
• "a muscle in my jaw tremored uncontrollably"
Origin:
early 17th century: from Latin tremor, from tremere ‘to tremble’.