noun
training camp; intensive training camp
Refers to a camp where participants undergo intensive training, often in sports or martial arts.
来月、チームで強化合宿を行う予定です。
Next month, the team plans to hold an intensive training camp.
合宿 is a general term for a camp or lodging together for a purpose, while 強化合宿 specifically emphasizes intensive training.
Compound of 強化 (strengthening, intensification) and 合宿 (camp, lodging together).