Where does “mandatory” come from?

Mandatory comes from Late Latin mandatorius, derived from Latin mandator (one who commands), from the verb mandare (to entrust or command), ultimately from Proto-Indo-European men-.

mandatory (English): Obligatory; required or commanded by authority;...

Definitions

  1. Obligatory; required or commanded by authority;...

Ancestry of “mandatory”, step by step

mandatory traces back through two separate lines of ancestry.

via Late Latin mandatorius

StepLanguageWordMeaning
1Late Latinmandatoriusof or belonging to a mandator
2Latinmandatormandator, commander, director; second-person...
3Latin-tor-er
4Proto-Italic-tōrForms agent nouns to verb stems
5Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
6Proto-Indo-European-tor-s

via Latin mandatorius

StepLanguageWordMeaning
1Latinmandatorius

Words derived from “mandatory

Every word from Proto-Indo-European -tor-sEvery word from Latin -torEvery word from Proto-Indo-European -tōr
mandatory — Etymology, Origin & Word History | Etymology Explorer