原因
げんいん
hepburn genin
cause
Part of speech · noun
Pattern visualization
Examples
- 火事の原因はまだ分かりません。The cause of the fire is still unknown.
- 寝不足が原因で頭が痛いです。My headache is caused by lack of sleep.
Collocations
原因がある原因を調べる原因が分かる原因不明事故の原因
Mnemonic
原因 gen-in — 原 (origin, source) + 因 (cause, owing to). The root reason something happened, paired with 結果 (kekka, result). Note the reading: ge + n + in. The pattern 〜が原因で (caused by ~) is very common.
Quick check
Which pattern expresses "caused by ~"?