垠
ギン, ゴン, きし, さか.い

limit, boundary

JLPT0 G13 S0 F5000

As per 艮# (adhere) + 土 earth → geographical *boundary* (← edge of a plain adhering to the foothills where mountains begin) → *limit*. Also, *riverbank* and *shore* (← border of land and water).

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