光
コウ, ひか.る, ひかり, あき, あきら, こお, てる, ひこ, み, みつ

ray, light

JLPT3 G2 S6 F527

The relevant oracle bone form of this character combines an abbreviated form# of 兄 (extend the arms) + 火 fire → extend the arms in holding up a torch → (radiant) *light*; *shine*; *ray*; *beam*; *flash*; *glimmer*; *glitter*; *glare*; *sparkle*.

[Full Kanji Etymology List]