Meaning

noun a French caretaker of apartments or a hotel; lives on the premises and oversees people entering and leaving and handles mail and acts as janitor or porter

originBorrowed from French concierge (“caretaker; doorkeeper; lodge-keeper of a château”), from Old French conciarge, consierge, consirge, from Medieval Latin consergius; further etymology uncertain, probably from Vulgar Latin *cōnservius, from Latin cōnservus (“fellow servant; fellow slave”), from con- (prefix denoting a being or bringing together of several objects) (ultimately from…

Etymology from Wiktionary, CC BY-SA 3.0