Where does “일기” come from?

일기 (Korean) comes from Korean 日氣 — Hanja form? of 일기.

일기 (Korean): diary, journal; weather

Definitions

  1. diary, journal; weather

Ancestry of “일기”, step by step

일기 traces back through two separate lines of ancestry.

via Korean 日氣

StepLanguageWordMeaning
1Korean日氣Hanja form? of 일기

via Chinese 日記

StepLanguageWordMeaning
1Chinese日記diary; journal
Every word from Korean 日氣
일기 — Etymology, Origin & Word History | Etymology Explorer