晏
アン, おそ.い
late, quiet, sets (sun)
JLPT1 G13 S0 F5000
As per 安# (rest in/on) + 日 sun/day → *setting of the sun* (sun resting/settling on the horizon; compare 旰) → *late* (← late in the day); *quiet* (that accompanies the end of the day).
[Full Kanji Etymology List]