Where does “미소짓다” come from?

미소짓다 (Korean) comes from Korean 미소, from Japanese 味噌, from Proto-Japonic *misau.

미소짓다 (Korean): to smile

Definitions

  1. to smile

Ancestry of “미소짓다”, step by step

미소짓다 traces back through two separate lines of ancestry.

via Korean 미소

StepLanguageWordMeaning
1Korean미소A smile; miso
2Japanese味噌miso; the innards of a crab or shrimp resembling...
3Proto-Japonic*misau

via Korean 짓다

StepLanguageWordMeaning
1Korean짓다to make something (food, a house, etc.), to build
Every word from Proto-Japonic *misau
미소짓다 — Etymology, Origin & Word History | Etymology Explorer