Sentence:  So <WSD>imbruted</WSD> and stupefied by slavery was this old woman, that she seemed to think the selling her boy away from her a perfectly humane, Christian and proper act, while all her indignation was turned against me, who had merely afforded the boy an opportunity of securing his freedom! 
Meaning of the word marked with <WSD> tags:  To degrade to the state of a brute