JMdict: 1404670

足しになる 【たしになる】

  1. [exp,v5r] to be of help; to be useful; to go toward
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
足 Leg, Foot, Be Sufficient, Counter For Pairs Of Footwear ソク あし, た.りる, た.る, た.す