アン, やす.い, やす.まる, やす, やす.らか, あ, あす, あず, あっ, や
relax, cheap, low, quiet, rested, contented, peaceful
JLPT4 G3 S6 F144
宀# roof/building + 女 woman → woman resting/at ease indoors → *be at ease/peace* → *cheap*; *inexpensive* (← cheap enough to be purchased with ease).
[Full Kanji Etymology List]