Lack of strength; weakness, feebleness; powerlessness; spiritual weakness, unworthiness.
Origin
Old English; earliest use found in King Alfred (c848–899), king of the West Saxons and of the Anglo-Saxons. Cognate with or formed similarly to West Frisian ûnmacht, Middle Dutch onmacht (Dutch onmacht), Middle Low German unmacht, Old High German unmaht (Middle High German unmaht, German Unmacht), Old Icelandic úmáttr, Gothic unmahts from the Germanic base of un- + the Germanic base of might.