from 772; feebleness (of mind or body); by implication, malady; morally, frailty:

KJV-- disease, infirmity, sickness, weakness.

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772 asthenes (as-then-ace');

from 1 (as a negative particle) and the base of 4599; strengthless (in various applications, literal, figurative and moral):

KJV-- more feeble, impotent, sick, without strength, weak (-er, -ness, thing).