pupillage

US pupilage

noun

the condition of being a pupil or duration for which one is a pupil
(in England) the period spent by a newly called barrister in the chambers of a member of the bar

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for pupillage

Historical Examples of pupillage

Both these princes remained in a state of pupillage till the age of twenty three.
Commentaries on the Laws of England
William Blackstone