固 = 古 + 囗

固 is a Japanese kanji written with 8 strokes, listed here under the keyword “harden”. It is built from 古 (old) and 囗 (enclosure). In Remembering the Kanji by James W. Heisig it is frame 622. It appears as a component in 3 other characters in this index.

Keyword: harden
RTK frame: 622
Strokes: 8
On'yomi (Sino-Japanese reading): コ
Kun'yomi (native Japanese reading): かた.める, かた.まる, かた.まり, かた.い
Script: Japanese kanji
Also known as: твердить
Same glyph as a Chinese hanzi: 固 to become solid

Decomposition

Primary decomposition

Characters that contain 固

How to find 固 without knowing its reading

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

Open 固 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.