categorical (adj.)youdaoicibaDictYouDict[categorical 词源字典]
1590s, as a term in logic, "unqualified, asserting absolutely," from Late Latin categoricus, from Greek kategorikos "accusatory, affirmative, categorical," from kategoria (see category). General sense of "explicit, unconditional" is from 1610s. Categorical imperative, from the philosophy of Kant, first recorded 1827. Related: Categorically.[categorical etymology, categorical origin, 英语词源]