And (or as some say, TA) Weakness: thus bearing two contr. significations. (IAar, K.)
3.
And The back. (IAar, S, K.) اُشْدُدْ بِهِ أَزْرِى, in the Qur'an, 20:32, means Strengthen Thou by him my back: (IAar, S:) or confirm Thou by him my strength: or strengthen Thou by him my weakness. (IAar.)