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KanjiGrade 5 › 因
Kyōiku Kanji

因 — cause

Grade 5いん, よ

因 (readings: いん, よ; Japanese kanji) means “cause”. It is a Grade 5 Kyōiku kanji, taught in year 5 of Japanese elementary school, and appears in words such as 原因 (cause).

What does 因 mean?

Kanji
Meaningcause
Readingsいん, よ
GradeGrade 5 (Hard)
CurriculumKyōiku kanji · Japanese elementary school

How to read 因

因 is read いん or depending on the word.

Example words with 因

Example原因 (cause)
Practice writing 因 — free
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Updated: 2026-07-14