- satisfactory (adj.)
[satisfactory 词源字典]
- mid-15c., "capable of atoning for sin," from Middle French satisfactoire (14c.) and directly from Late Latin satisfactorius, from Latin satisfactus, past participle of satisfacere (see satisfy). Meaning "adequate" is from 1630s. Related: Satisfactorily; satisfactoriness.[satisfactory etymology, satisfactory origin, 英语词源]