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Plate 1 The Chinese character 土: a short horizontal over a long one, joined by a vertical

Tǔ 土

The character for ‘earth’ and ‘soil’, and radical 32 of the 214 Kangxi radicals, under which characters for the ground and what is built on it are filed.

Chinese radicals. Also called chinese character for earth, earth radical, kangxi radical 32, radical 32, soil radical, 土, 土 radical.

Meaning

Unihan defines 土 as ‘soil, earth; items made of earth’. 地 ‘earth; soil, ground; region’ and 城 ‘castle; city, town’ are both filed under it. Mandarin reads it tǔ; Japanese, tsuchi.

Origin and history

Wieger read the two horizontals as layers of the ground: “The top line represents the surface, the soil; the down line represents the subsoil, the rock”. He called it the radical “of characters relating to earth”.

土 and 士

士 ‘scholar, gentleman; soldier’ has the same three strokes and is a different radical, number 33. In 土 the lower horizontal is the longer; in 士 it is the upper one, as the two characters are printed in Unihan.

See also

Rén 人, Nǚ 女, Zǐ 子, Kǒu 口, Xīn 心, Shǒu 手.

Sources

  1. Unihan data for U+571F, Unicode Han Database (Unihan), Unicode Consortium, kRSUnicode; kTotalStrokes; kDefinition; kMandarin; kJapaneseKun
  2. Unihan data for U+5730, Unicode Han Database (Unihan), Unicode Consortium, kRSUnicode; kDefinition
  3. Unihan data for U+57CE, Unicode Han Database (Unihan), Unicode Consortium, kRSUnicode; kDefinition
  4. Unihan data for U+58EB, Unicode Han Database (Unihan), Unicode Consortium, kRSUnicode; kTotalStrokes; kDefinition
  5. The Unicode Standard, chapter 18 (Han), The Unicode Standard, Version 16.0, Chapter 18: East Asia, Unicode Consortium, 18.1.8 Radical-Stroke Indices; 18.1.14 Kangxi Radicals and CJK Radicals Supplement
  6. Chinese Characters (Léon Wieger, 1927), Léon Wieger, Chinese Characters: Their Origin, Etymology, History, Classification and Signification, translated by L. Davrout, second edition (1927), Catholic Mission Press, Hsien-hsien (Internet Archive full text), Lesson 81 A

The same shape elsewhere

Researched, edited and approved by Rory Hansen before publishing. Last reviewed October 9, 2026. How we research

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