Where does “경계하다” come from?

경계하다 (Korean) comes from Korean ―하다.

경계하다 (Korean): alert; vigilant

Definitions

  1. alert; vigilant

Ancestry of “경계하다”, step by step

경계하다 traces back through two separate lines of ancestry.

via Korean ―하다

StepLanguageWordMeaning
1Korean―하다

via Korean 경계(警戒)

StepLanguageWordMeaning
1Korean경계(警戒)
Every word from Korean ―하다