Where does “sudoku” come from?

sudoku (Finnish) comes from Japanese 数独, from Japanese に, from Old Japanese に.

sudoku (Finnish): sudoku a type of puzzle game

Definitions

  1. sudoku a type of puzzle game

Ancestry of “sudoku”, step by step

StepLanguageWordMeaning
1Japanese数独sudoku
2Japaneseにparticle for indirect objects; to; particle for...
3Old Japaneseに—
Every word from Old Japanese に →Every word from Japanese に →Every word from Japanese 数独 →