Where does “잘 자” come from?

잘 자 (Korean) comes from Korean 잘, from Korean 자루 — bag, sack; handle, hilt.

잘 자 (Korean): good night, sleep well

Definitions

  1. good night, sleep well

Ancestry of “잘 자”, step by step

잘 자 traces back through two separate lines of ancestry.

via Korean 잘

StepLanguageWordMeaning
1Korean잘well; often; at a good time, with fortunate...
2Korean자루bag, sack; handle, hilt

via Korean 자다

StepLanguageWordMeaning
1Korean자다to sleep
Every word from Korean 자루 →Every word from Korean 잘 →