Illustration: In an apartment living room, a floor lamp tilts precariously while its owner catches the shade with both hands. Three visible pressures explain the mishap: one edge of the base rests on a thick folded rug, a cat pushes against the pole, and the power cord stretches taut beneath a chair leg.

JLPT N1nounLevel estimated by Bebop

一いち因いん

ichiin

one contributing factor

Example sentences

停電ていでんが場内じょうないの混乱こんらんの一因いちいんとなった。
A power failure contributed to the confusion in the hall.
Tatoeba · CC BY 2.0 FR · Source
大変たいへんな努力どりょくが彼かれの成功せいこうの一因いちいんであった。
Great effort was one factor in his success.
Tatoeba · CC BY 2.0 FR · Source
これが国府台合戦こうのだいかっせんの一因いちいんとも言いわれている。
It is said that the above was one of the causes for the Konodai Battle.
KFTT corpus (NICT), Wikipedia · CC BY-SA 3.0 · Source

Kanji in 一因

一oneOnイチ・イツKunひと-・ひとつ
因cause; factorOnインKunよる・ちなむ

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