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古
古 (readings: こ, ふる; Japanese kanji) means “old / ancient”. It is a Grade 2 Kyōiku kanji, taught in year 2 of Japanese elementary school, and appears in words such as 古い (old).
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What does 古 mean?
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古い本を よむ。
ふるいほんをよむ。I read an old book.
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Updated: 2026-08-09