瞀

Its parts

• 敄 wù to put forth effort = 矛 + 攵 sound
• 目 mù eye = 口 + 二 meaning

Other characters with 敄 as their sound:

鍪 móu婺 wù鹜 wù楘 mù骛 wù蝥 máo

Dictionaries file it under 目.