Worked the Checkout at a Supermarket, for Example

This page is the CodyCross answer for the clue below from Architectural Styles, Group 1167, Puzzle 3 (Tuscan Columns).

Question is: Worked the Checkout at a Supermarket, for Example

and the answer is: CASHIERED

Word Meaning:

CASHIERED — simple past and past participle of cashier

Definitions from Wiktionary.