Where does “회색청서” come from?

회색청서 (Korean) comes from Korean 회색(灰色).

회색청서 (Korean): gray squirrel

Definitions

  1. gray squirrel

Ancestry of “회색청서”, step by step

회색청서 traces back through two separate lines of ancestry.

via Korean 회색(灰色)

StepLanguageWordMeaning
1Korean회색(灰色)

via Korean 청서(靑鼠)

StepLanguageWordMeaning
1Korean청서(靑鼠)
Every word from Korean 회색(灰色)
회색청서 — Etymology, Origin & Word History | Etymology Explorer