Where does “어이없다” come from?

어이없다 (Korean) comes from Korean 없다, from Middle Korean 없다.

어이없다 (Korean): dumbfounded, ridiculous

Definitions

  1. dumbfounded, ridiculous

Ancestry of “어이없다”, step by step

어이없다 traces back through two separate lines of ancestry.

via Korean 없다

StepLanguageWordMeaning
1Korean없다to have none; lacking; nonexistent; to die
2Middle Korean없다

via Korean 어이

StepLanguageWordMeaning
1Korean어이hey, yo (informal, mostly used between male close friends)
Every word from Middle Korean 없다