Where does “janitorial” come from?

Janitorial derives from English janitor, from Latin iānitōr meaning doorkeeper, from Proto-Indo-European yeh₂- meaning to go, plus the agentive suffix -tōr.

janitorial (English): Of or pertaining to a janitor

Definitions

  1. Of or pertaining to a janitor

Ancestry of “janitorial”, step by step

StepLanguageWordMeaning
1EnglishjanitorSomeone who looks after the maintenance and...
2Latinianitordoorkeeper, doorman, porter; pylorus
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—

Words derived from “janitorial”

Every word from Proto-Indo-European -tor-s →Every word from Latin -tor →Every word from Proto-Indo-European -tōr →