posterity
/pɒˈsterətɪ/noun
mass noun
1- all future generations of people后代, 后世：
the victims' names are recorded for posterity.
牺牲者名垂千古。
1.1
- in sing. archaic the descendants of a person〈古〉后裔, 子孙：
God offered Abraham a posterity like the stars of heaven.
上帝给予亚伯拉罕的子孙如同天上的星星那么多。
词源
late Middle English: from Old French posterite, from Latin posteritas, from posterus 'following'.