Where does “톱니바퀴” come from?

톱니바퀴 (Korean) comes from Korean 바퀴, from Middle Korean 바회〮, from Old Korean 岩乎 — rock; mountain crossing.

톱니바퀴 (Korean): cogwheel, toothed wheel

Definitions

  1. cogwheel, toothed wheel

Ancestry of “톱니바퀴”, step by step

톱니바퀴 traces back through two separate lines of ancestry.

via Korean 바퀴

StepLanguageWordMeaning
1Korean바퀴wheel
2Middle Korean바회〮—
3Old Korean岩乎rock; mountain crossing

via Korean 톱니

StepLanguageWordMeaning
1Korean톱니—
Every word from Old Korean 岩乎 →Every word from Middle Korean 바회〮 →Every word from Korean 바퀴 →