What 𮢤 means
It marks what ironworking leaves behind. Kanakuso can mean rocky slag separated from metal or flakes that come off during forging.
Japanese dictionaries cite the spoken word in works from about 918 and 934: one uses it for iron rust, another for smithing or ore waste. Those dates belong to the word, not the first appearance of this exact written form.
In 2023, a local-history report from Tatebayashi, Japan, calls ironmaking slag from an archaeological site kanakuso (金糞).
A Japanese ironworking term with a blunt spoken form.
Japanese dictionaries also record a bodily sense for かなくそ; an example is dated 1838–40. Outside ironworking, the word can sound crude.
Who writes 𮢤
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Questions people ask
1Why does 𮢤 show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type or find 𮢤
- Search it as
- kana-kuso · 金糞 · 金屎 · Japanese slag kanji · iron slag
- Shows up in
- Anything that takes text · its shape is whatever your font draws
𮢤\2E8A4Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

