かたまる
to harden, to solidify
Walled in and left long enough that it is not going to move again. A carton かた of it, set solid まる. Has the pudding got there yet: かたまる.
固める かためる is you setting something. 固まる is it setting on its own.
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Emaki is not affiliated with, or endorsed by, Kaishi 1.5k or its authors. The word, reading and meaning come from the Kaishi 1.5k deck, used with their permission. The mnemonic, the note and the kanji breakdown are original work, published under CC BY-SA 4.0.