Where does “Oberkellnerin” come from?

Oberkellnerin (German) comes from German Oberkellner, from German Kellner, from Middle High German kelnære, from Old High German kelnere, from Medieval Latin cellenarius, from Latin cellārium, from Latin -ārium, from Latin -um.

Ancestry of “Oberkellnerin”, step by step

StepLanguageWordMeaning
1GermanOberkellnerhead waiter
2GermanKellnerwaiter
3Middle High Germankelnære
4Old High Germankelnere
5Medieval Latincellenariuscellar administrator; cellarman
6Latincellāriumstoreroom, larder, cellar, pantry
7Latin-āriumused primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
8Latin-umnominative neuter singular of -us; accusative...
9Proto-Italic*-om
10Proto-Indo-European*-oHom
Every word from Proto-Indo-European *-oHom