وَهَنَ

He was, or became, weak, or infirm, in an affair, and in operation, and in body; (Msb:) and so said of a bone: (Bd, and Jel in xix. 3:) and he was, or became, languid, languid and faint, or lax in the joints; (TA, Bd in iii. 140;) enervated, unnerved, or broken in energy; (Bd, ubi suprà;) cowardly. (TA, Jel in iii. 140.)

See also 4.