رُعَاشٌ
[and
رِعْشَةٌ] A tremour, quivering, quaking, or shivering, that befalls a man in consequence of a disease that attacks him, not quitting him. You say, بِهِ رِعْشَةٌ and رُعَاشٌ [In him is a tremour, &c.].
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