Where does “철새” come from?

철새 (Korean) comes from Korean 새, from Korean 사이 — gap; space between.

철새 (Korean): migratory bird, bird of passage

Definitions

  1. migratory bird, bird of passage

Ancestry of “철새”, step by step

철새 traces back through two separate lines of ancestry.

via Korean 새

StepLanguageWordMeaning
1Korean새bird; new; Alternative form of 사이
2Korean사이gap; space between

via Korean 철

StepLanguageWordMeaning
1Korean철season; maturity; good sense; iron, ferrum
Every word from Korean 사이 →Every word from Korean 새 →