feebleness
2 occurrences across the corpus
King James Version
Jeremiah 47:3
At the noise of the stamping of the hoofs of his strong horses, at the rushing of his chariots, and at the rumbling of his wheels, the fathers shall not look back to their children for feebleness of hands;
OT Pseudepigrapha
Odes of Solomon 6:16
They gave strength for their feebleness and light to their eyes: