Character Contained In References Comments
External references for 研
Zhongwen.com traditional etymology dictionary
International Encoded Han Character and Variants Database
ChineseEtymology.org
Unihan database
Cojak Hanzi Dictionary
Tower of Babel spoken word etymology database
ZDIC.net Chinese-Chinese Dictionary
Usage rank 333
Kang Xi radical 112.4
Big5 code ACE3
Number of strokes 11
Karlgren 379
GSR 0239h