Stamina — physical strength or endurance; the ability to sustain prolonged physical or mental effort.
マラソンには相当なスタミナが必要だ。
Running a marathon requires considerable stamina.
最近、忙しくてスタミナが落ちた気がする。
Lately I've felt my stamina has dropped because of being busy.
試合に勝つには技術だけでなくスタミナも重要だ。
To win a match, stamina is as important as skill.
Describing food or dishes believed to boost stamina (often dishes containing raw egg yolk, garlic, chives, etc.); used in compounds like 'stamina food'.
夏バテ予防にスタミナ料理を食べに行った。
We went to eat stamina-boosting dishes to prevent summer fatigue.
ニンニクたっぷりのスタミナ丼はよくスタミナがつくと言われる。
A garlic-heavy stamina bowl is said to be good for building stamina.