睛 jīng eye; eyeball
Made up of [目 mù eye radical 109, 青 qīng green; blue radical 174]Made with 13 strokes.
The eye radical suggests it is 'eye' related and 'green/blue' suggests iris of eye as well as the phonetic
Related characters
Also uses 目 mù component: 德 dé (virtue) 盾 dùn (shield) 看 kàn (look) 冒 mào (to emit) 面 miàn (face) 盼 pàn (to hope for) 算 suàn (calculate) 相 xiāng (each other) 直 zhí (straight) 自 zì (from)
Also uses 青 qīng component: 精 jīng (refined) 请 qǐng (please) 情 qíng (affection) 晴 qíng (clear sky) 清 qīng (clear)