C2 noun /ˈpjuː.pɪ.lɪdʒ/
pupilage
生徒の状態
Meaning
The state of being a pupil or under instruction.
Example
During his pupilage, he studied law under a senior barrister.
彼の生徒の状態の間に、彼は上級弁護士のもとで法学を学びました。