Radical 31

囗
囗
囗 (U+56D7) "enclosure"
Pronunciations
Pinyin:	wéi
Bopomofo:	ㄨㄟˊ
Gwoyeu Romatzyh:	wei
Wade–Giles:	wei2
Cantonese Yale:	wàih
Jyutping:	wai4
Pe̍h-ōe-jī:	ûi
Japanese Kana:	イ i (on'yomi); かこ-む kako-mu (kun'yomi)
Sino-Korean:	위 wi
Hán-Việt:	Vi
Names
Chinese name(s):	國字框/国字框 guózìkuàng; 大口框 dàkǒukuàng
Japanese name(s):	国構/くにがまえ kunigamae
Hangul:	에운담 eundam
Stroke order animation

Radical 31 or radical enclosure (囗部) meaning 'enclosure' is one of the 31 Kangxi radicals (214 radicals total) composed of three strokes.

In the Kangxi Dictionary, there are 118 characters (out of 49,030) to be found under this radical.

囗 is also the 38th indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China.

Evolution

Strokes	Characters
+0	囗〇^[1]
+2	囙 (=因) 囚四囜
+3	囝回囟因囡团^SC (=團) 団^JP (=團)
+4	囤囥囦囧囨囩囪囫囬 (=回) 园^SC (=園) 囮囯 (=國) 困囱囲^JP (=圍) 図^SC (=圖) 围^SC (=圍) 囵^SC (=圇) 囶囷囸
+5	囹固囻囼国^SC/JP (=國) 图^SC (=圖)
+6	囿圀
+7	圁圂圃圄圅 (=函) 圆^SC (=圓)
+8	圇圈圉圊國
+9	圌圍圎 (=圓) 圏^JP (=圈) 圐
+10	圑園圓圔圕
+11	圖圗 (=圖) 團圙
+12	圚
+13	圛圜
+19	圝
+23	圞

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.
Lunde, Ken (Jan 5, 2009). "Appendix J: Japanese Character Sets" (PDF). CJKV Information Processing: Chinese, Japanese, Korean & Vietnamese Computing (Second ed.). Sebastopol, Calif.: O'Reilly Media. ISBN 978-0-596-51447-1.

^ The character 〇 (líng, 'zero'; xīng, 'star') is traditionally assigned to the 囗 radical, even though it does not contain any standard brush stroke.