究其根源 jiū qí gēn yuán

to trace something to its source (idiom)

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. to trace something to its source (idiom)

Characters

Character Meaning
究 jiū HSK 4
after all; to investigate; to study carefully
其 qí HSK 3
its; their; it (refers to sth preceding it)
根 gēn HSK 3
root; basis
源 yuán HSK 5
origin; source; root