posterity; descendants; grandchildren
Formal, literary term for future generations or one's descendants. Rare in everyday speech; more common in classical or ceremonial writing.
I want to leave a beautiful Earth for posterity.
We have a responsibility to pass this tradition on to our descendants.
Compound of 後 (after, later) and 昆 (descendants, elder brother). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning of posterity.