noun
fitness training; building physical strength; stamina building
Refers to activities or efforts aimed at improving or maintaining physical fitness and stamina. Often used in contexts like exercise routines, sports training, or health advice.
毎朝のジョギングは体力づくりに効果的だ。
Jogging every morning is effective for building stamina.
体力づくりのために、週に3回ジムに通っている。
I go to the gym three times a week for fitness training.
Compound of 体力 (physical strength) + 作り/づくり (making, building). The づくり is a rendaku form of 作り.