故 means “cause, reason, the late”

こ · ko

Also: happenstance, especially, intentionally

Kun'yomi (Japanese reading)
ゆえ, ふるい, もと
On'yomi (Chinese reading)
コ

JLPT N1 · Taught in grade 5 · 9 strokes

The story

Old (古) plus a hand with a stick (攵): something done long ago that still has consequences. 事故 is an accident, 故障中 hangs on broken vending machines, and in formal writing 故に means "therefore" and 故 before a name means "the late".

Used in 事故 (jiko, accident), 故障 (koshou, breakdown), and 故郷 (kokyou, hometown)

More from Formal Words

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.