Where does “随意契約” come from?

随意契約 (Japanese) comes from Japanese 契約 — contract, agreement; enter into a contract.

随意契約 (Japanese): discretionary contract;   negotiated contract, limited tender contract;   no-bid contract, non-competitive contract

Definitions

  1. discretionary contract;   negotiated contract, limited tender contract;   no-bid contract, non-competitive contract

Ancestry of “随意契約”, step by step

随意契約 traces back through two separate lines of ancestry.

via Japanese 契約

StepLanguageWordMeaning
1Japanese契約contract, agreement; enter into a contract

via Japanese 随意

StepLanguageWordMeaning
1Japanese随意optional, voluntary
Every word from Japanese 契約
随意契約 — Etymology, Origin & Word History | Etymology Explorer