Time served is also a term used to indicate a craftsman has spent the required period as an apprentice.
Famous quotes containing the words time and/or served:
“I do not know much about politics, but I am trying to do the best I can with this administration until the time shall come for me to turn it over to somebody else.”
—William Howard Taft (1857–1930)
“Why, my cheese, my digestion, why hast thou not served thyself in to my table, so many meals?”
—William Shakespeare (1564–1616)