因 — cause

Grade 5いん, よ

Radical ⼞ · radical 31 The building block this kanji is filed under

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).

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What does 因 mean?

Full details, readings & example

Kanji	因
Meaning	cause
Readings	いん, よ
Grade	Grade 5 (Hard)
Curriculum	Kyōiku kanji · Japanese elementary school
Example	原因 (cause)

How to read 因

因 is read いん or よ depending on the word.

Words with 因

勝因しょういんnguyên nhân thắng
原因げんいんnguyên nhân

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Read this character in a real sentence

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Updated: 2026-08-09