Radical 2

This article is about the second Chinese character component. For Radical two (二), see Radical 7. For Radical second (乙), see Radical 5. For Square root of 2, see Square root of 2.

Radical 2 or radical line (丨部) meaning "vertically connected"^[1] is one of 6 of the 214 Kangxi radicals that are composed of only one stroke.

丨
← 1 Radical 2 (U+2F01) 3 →
丨 (U+4E28) "line, stick"
Pronunciations
Pinyin:	gǔn
Bopomofo:	ㄍㄨㄣˇ
Gwoyeu Romatzyh:	goen
Wade–Giles:	kun3
Cantonese Yale:	kwán
Jyutping:	kwan2
Pe̍h-ōe-jī:	khún
Japanese Kana:	コン kon (on'yomi) ぼう bō (kun'yomi)
Sino-Korean:	곤 gonn
Hán-Việt:	cổn
Names
Chinese name(s):	豎/竖/竪 shù
Japanese name(s):	棒/ぼう bō (stick) 縦棒/たてぼう tatebō (vertical stick)
Hangul:	뚫을 tturheul
Stroke order animation

In the Kangxi Dictionary, there are only 21 characters (out of 49,030) to be found under this radical.

丨 is also the 2nd indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China, with 亅 being its associated indexing component (used to be associated with 乛 prior to the new standard in 2009).

Evolution

• 
  Large seal script character
• 
  Small seal script character

Derived characters

Strokes	Characters
+0	丨
+1	丩
+2	个SC/variant (=個 -> 人) 丫
+3	中 丮 丯 丰SC/JP/丰TC (also SC/JP form of 豐 -> 豆) 书SC (=書 -> 曰)
+4	丱
+6	串
+7	丳
+8	临SC (=臨 -> 臣)
+9	丵

In calligraphy

The vertical line as in 永

The only stroke in radical line, known as 豎/竖/竪 shù "vertical", is called 努 nǔ in the eight principles of the character 永 (永字八法 Yǒngzì Bāfǎ) which are the basis of Chinese calligraphy.

Literature

• Fazzioli, Edoardo (1987). Chinese calligraphy : from pictograph to ideogram : the history of 214 essential Chinese/Japanese characters. calligraphy by Rebecca Hon Ko. New York: Abbeville Press. ISBN 0-89659-774-1.
• Leyi, Li (1993). Tracing the Roots of Chinese Characters: 500 Cases. Beijing. ISBN 978-7-5619-0204-2.{{cite book}}: CS1 maint: location missing publisher (link)