Where does “合意書” come from?

合意書 (Japanese) comes from Japanese 書, from Middle Chinese 書.

合意書 (Japanese): contract

Definitions

  1. contract

Ancestry of “合意書”, step by step

合意書 traces back through two separate lines of ancestry.

via Japanese 書

StepLanguageWordMeaning
1Japanese書document; letter
2Middle Chinese書—

via Japanese 合意

StepLanguageWordMeaning
1Japanese合意agreement
Every word from Middle Chinese 書 →Every word from Japanese 書 →