HSK10+
xū
beard
Phonosemantic compound. 髟 represents the meaning and 須 represents the sound.
髟 Meaning component
biāo
long hair
須 Sound Iconic component
must
Depicts a head with a beard.
须 (鬚)
beard, whiskers; whisker-like; beard; mustache; feeler (of an insect etc); tassel
必须
须
无须
need not
胡须
须知
key information
Make Me a Hanzi
Unicode
Baxter-Sagart
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing
漢語多功能字庫