訓 よ(る),ちな(む) ・ 音 イン
Sino-Vietnamese: nhân
Its Sino-Vietnamese reading is nhân, as in nguyên nhân (cause) and nhân quả (cause and effect).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
事故の一因は雨だった。 (じこのいちいんはあめだった)
Rain was one cause of the accident.