Answer: narrowing

AnswerCrossword Clue
narrowing(of a person's eyes) Almost closed so as to focus on something or someone, or to indicate anger, suspicion, or other emotion
narrowingBecome or make less wide
narrowing(of a person) Cause (one's eyes) to do this
narrowingNARROW, to make narrow
narrowingBecome or make more limited or restricted in extent or scope