Sentence:  There was an air of blindness in her gray eyes , the startled horse look that ultimately comes to some women who are born at the end of an ancestral line long since divorced from money-making and which , besides , has <WSD>kept</WSD> its estate intact . 
Meaning of the word marked with <WSD> tags:  keep in a certain state, position, or activity; e.g., "keep clean"