艶
エン, つや, なま.めかしい, あで.やか, つや.めく, なま.めく, もろ, よし

glossy, luster, glaze, polish, charm, colorful, captivating

JLPT1 G7 S19 F2207

艷 is 豐 abundance + 色 color/appearance → rich color → *gloss*; *luster*; *sheen* → *sexy*; *seductive*; *bewitching*; *charming*. However, 艷 has been supplanted by 艶.

[Full Kanji Etymology List]