Where does “鳥叔” come from?

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

Ancestry of “鳥叔”, step by step

StepLanguageWordMeaning
1Korean새bird; new; Alternative form of 사이
2Korean사이gap; space between
Every word from Korean 사이 →Every word from Korean 새 →