睬

notice, pay attention to

Strokes13

Readings

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睬 centers on directing one's visual attention: noticing something or paying attention to it.

睬 combines 目 (eye) with 采, which likely contributes the sound. The eye component points to visual attention.

The eye 目 on the left and 采 on the right suggest an eye actively picking out details: noticing and paying attention.

For サイ, imagine a sigh of relief when someone finally notices you: sigh -> サイ, and your eye catches their attention.