The story
- Japanese · borrowed from内弟子“inside student”
- English todayuchi-deshi
From Japanese 内弟子 (“inside student”).
Etymology from Wiktionary, CC BY-SA 4.0.
uchi-deshi
Today it means: In Japanese martial arts, a live-in student or apprentice who trains under and assists a sensei on a full-time basis. Full definition →
Japanese 内弟子