トウ, ます tou, masu
Fazzioli, Edoardo (1987). Chinese calligraphy : from pictograph to ideogram : the history of 214 essential Chinese/Japanese characters. calligraphy by Rebecca Hon Ko. New York, 1987: 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.
Radical 68 Wikipedia
Radical 68 meaning "dipper" is 1 of 34 Kangxi radicals (214 radicals total) composed of 4 strokes. 市斗, sometimes represented by 斗 alone, is also the symbol for a Chinese traditional measurement of dry volume equaling about 10 liters, which is ~18.16 pints, ~2.27 gallons, ~610.2 cubic inches, or ~0.3531 cubic feet.
In the Kangxi Dictionary there are 32 characters (out of 49,030) to be found under this radical.