waitering

From waiter +‎ -ing

waitering (uncountable)

1. gerund of waiter: the work of a waiter, serving customers at their tables with food and drink.
   • 1862, Charles Dickens, “Somebody’s Luggage. Chapter I. His Leaving It till Called For.”, in Christmas Stories […] (The Works of Charles Dickens; XV), de luxe edition, London: Chapman and Hall, published 1881, OCLC 54279155, page 256:

     Nor yet can you lay down the gentleman's-service when stimulated by prolonged incompatibility on the part of Cooks (and here it may be remarked that Cooking and Incompatibility will be mostly found united), and take up Waitering.

waitering

1. present participle of waiter