HSK10+
gòu
dirt
Phonosemantic compound. 土 represents the meaning and 后 represents the sound.
土 Meaning component
tǔ
earth
后 Sound component
hòu
queen, after
Seal script
Regular script
垢
dirt, filth, stains; dirty; dirt; disgrace
污垢
filth
蓬头垢面
bad appearance
牙垢
tartar
泥垢
Academia Sinica
Make Me a Hanzi
Unicode
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing