Where does “속마음” come from?

속마음 (Korean) comes from Korean 속, from Chinese 俗.

속마음 (Korean): one's inmost heart/thoughts; the bottom of one's...

Definitions

  1. one's inmost heart/thoughts; the bottom of one's...

Ancestry of “속마음”, step by step

속마음 traces back through two separate lines of ancestry.

via Korean

StepLanguageWordMeaning
1Koreanthe inside; especially that which is underneath...
2Chinese

via Korean 마음

StepLanguageWordMeaning
1Korean마음mind; heart
2Old Korean心音mind
Every word from Chinese