chū​chù

origin

出处 (出處) chū​chù
origin noun
the place or background from which something originates; provenance

The origin of this artifact is still under investigation.

source noun
the specific original place where a quotation, literary allusion, or reference originates

In his article, every quote has a clear source.

Frequency

Movie subtitles
1.07 per million appears in 1% of films
Written text
3.20 per million

Sources

Definitions
CC-CEDICT