verb (used without object)
Origin of janitor
Examples from the Web for janitorial
Many of the folks he daps are simply secretaries, security, and even the janitorial staff.‘black-ish’ Keeps It Real about the Invisible Black Man|Judnick Mayard|September 24, 2014|DAILY BEAST
It creates a new visa category, a W visa, for non-farm temporary workers in areas like janitorial services, construction, retail.
His father ran a janitorial business and Tucker would help out by working as a janitor as the local Burger King.Chris Tucker’s Journey From Tax Problems to ‘Silver Linings Playbook’|Marlow Stern|November 14, 2012|DAILY BEAST
Besides, I was ignorant then of janitorial tyranny as the accepted code.
We had not awakened as yet to the fulness of janitorial tyranny and power.
Were they in some kind of a janitorial uniform so that you could tell that they were employees?Warren Commission (12 of 26): Hearings Vol. XII (of 15)|The President's Commission on the Assassination of President Kennedy
British Dictionary definitions for janitorial
Word Origin for janitor
Word Origin and History for janitorial (1 of 2)
1580s, "an usher in a school," later "doorkeeper" (1620s), from Latin ianitor "doorkeeper, porter," from ianua "door, entrance, gate," from ianus "arched passageway, arcade" (see Janus) + agent suffix -tor. Meaning "caretaker of a building" first recorded 1708.