stamina
/ˈstæmɪnə/noun
mass noun
- the ability to sustain prolonged physical or mental effort耐力, 持久力：
their secret is stamina rather than speed.
他们的秘密是耐力而不是速度。
词源
late 17th cent. （in the sense 'rudiments, essential elements of something'）： from Latin, plural of STAMEN in the sense 'threads spun by the Fates'.