色
ショク, シキ, いろ, しか, しこ

color

JLPT4 G2 S6 F621

The relevant seal inscription form combines 巴# (spread) atop a second figure → two persons copulating → *sex*; *lover*; *mistress* → *looks*; *appearance* (← motive factors stimulating the sex drive) → *color* (← complexion ← appearance).

[Full Kanji Etymology List]