Sentence:  Mr. Utterson had already <WSD>quailed</WSD> at the name of Hyde; but when the stick was laid before him, he could doubt no longer: broken and battered as it was, he recognized it for one that he had himself presented many years before to Henry Jekyll. 
Meaning of the word marked with <WSD> tags:  To lose heart or courage; to be daunted or fearful. (from 16th c.)