ボウ, ボッ

boy, priest's residence, priest

JLPT0 G7 S7 F1832

As per # (spread) + earth → earth spread to create an embankment (compare ). Originally the same as 防, but eventually was applied to the idea of streets divided into squares → *town* → *residences* (of princes, priests, artisans etc.) → *priest* → *young boy* (← acolyte).

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