オウ, ノウ, おお, おおきみ, わ

king, rule, magnate

JLPT3 G1 S4 F684

The relevant oracle bone form of this character is a person extending from earth (bottom line) to the arched heavens (top line) → *king* (← ruler whose dominion extends from earth to heaven, bringing them into harmony; compare and ).

[Full Kanji Etymology List]