JMdict: 1325040

主因 【しゅいん】

  1. [n] primary cause; main factor
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
主 Lord, Chief, Master, Main Thing, Principal シュ, ス, シュウ ぬし, おも, あるじ 3
因 Cause, Factor, Be Associated With, Depend On, Be Limited To イン よ.る, ちな.む 5