积垢

Traditional form:

積垢

Pinyin (reading):

jīgòu

Definitions:

• deeply accumulated filth

Characters:

• 积 - to store up, to amass, to accumulate
• 垢 - dirt, filth, stains; dirty; disgraceful

Traditional characters:

• 積 - to store up, to amass, to accumulate
• 垢 - dirt, filth, stains; dirty; disgraceful