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古 = 口 + 十

古 is a Japanese kanji written with 5 strokes, listed here under the keyword “old”. It is built from 口 (mouth) and 十 (ten). In Remembering the Kanji by James W. Heisig it is frame 16. It appears as a component in 8 other characters in this index.

Keyword

old

RTK frame

16

Strokes

5

On'yomi (Sino-Japanese reading)

コ

Kun'yomi (native Japanese reading)

ふる.い, ふる-, -ふる.す

Script

Japanese kanji

Also known as

church, gravestone, tombstone, старый

Same glyph as a Chinese hanzi

古 old

Decomposition

Characters that contain 古

• 枯 wither
• 苦 suffering
• 故 happenstance
• 固 harden
• 居 reside
• 姑 mother-in-law
• 胡 uncivilized
• 啇 teki

How to find 古 without knowing its reading

On KumiJi Glyph Explorer, open the parts search and type “mouth” + “ten”. 古 is among the results, together with every other character containing the same shapes.

Open 古 in the interactive kanji search to expand every part down to its smallest pieces, add your own names and mnemonic stories, or search for other characters by their parts.