Quick answer
因 is the kanji for "Cause". A common reading is よ.る (yoru). You can also practice writing it on this page.
Meaning
Cause
Also : Factor · Depend on · Be limited to
Learn 因 with SRS
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Readings
kun = Japanese reading · on = Chinese reading
Practice writing
Trace the kanji stroke by stroke with a visual guide.
Stroke Order
6 strokes
Radicals
Memory Aid
The kanji 因 represents 'CAUSE'. Think of this shape as a picture representing the concept of cause.
On-reading: いん — remember this sound by associating it with cause. Kun-reading: よ.る.
Example Sentences
病気の原因を調べました。
びょうきのげんいんをしらべました。
I investigated the cause of the illness.
因果関係を分析しました。
いんがかんけいをぶんせきしました。
I analyzed the causal relationship.
Vocabulary using 因
Grammar to study at this level
- [Verb dictionary/nai form] + ように～ように (you ni) - So that
- [Verb dictionary form] + ことにする～ことにする (koto ni suru) - Decide to
- [Verb dictionary form] + ことになる～ことになる (koto ni naru) - It has been decided that
- [Noun/Verb te-form] + ばかり～ばかり (bakari) - Only / Nothing but
- [Verb/Adjective plain form] + はずだ～はずだ (hazu da) - Should be / It is expected
Last updated Jul 22, 2026
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