词根：-pot-, -poss-

【词根含义】：能,能够

【词根来源】：拉丁语动词possum, posse, potui, -(能,能够)来源于早期拉丁语动词短语potis esse(能,能够)。posse的前身是古拉丁语potere(能,能够)。 

【同源单词】：impotence, impotency, impotent, multipotent, omnipotence