# 因 — Cause

Frequency rank 762 / 2,608 in published Japanese.

Mid-frequency: not on every page, but regular in books and magazines.

More common than 底 (Bottom), less common than 源 (Origin).

- On’yomi: いん
- Kun’yomi: よ
- Radical: 囗 Enclosure (Kangxi 31)
- Frequency path: Level VI of XX

Inside a mouth (囗), something big (大) is trapped — the big thing inside is the cause of the swelling, the reason behind it all.

In words:

- 因る よる — to come from
- 原因 げんいん — cause,source
- 要因 よういん — primary factor;main cause

[Study 因](https://app.kanjidrift.com/study?kanji=%E5%9B%A0)

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