ふえる
to increase, to accrue
土 earth piled up, and then piled up again. Nobody added any of them on purpose; it finds its own fuel. You open the drawer and there are eleven where there were four: ふえる.
増やす ふやす is you increasing it. 減る へる is the opposite.
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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.