エン, まる.い, まる, まど, まど.か, まろ.やか, つぶら, のぶ, まどか, みつ

circle, yen, round

JLPT5 G1 S4 F69

# round + circular enclosure → *round/circular* enclosure → *spherical*; *yen* (← round coin).

[Full Kanji Etymology List]