Webster's Revised Unabridged Dictionary · 1913

Tremor

Tremor , noun

[Latin, from tremere to tremble. See Tremble, v.]

A trembling; a shivering or shaking; a quivering or vibratory motion; as, the tremor of a person who is weak, infirm, or old.
He fell into an universal tremor of all his joints. — Harvey