noun
descendants; posterity; future generations
A yojijukugo (four-character compound) referring to one's descendants in perpetuity, often used in formal or literary contexts to emphasize the continuation of a family line or legacy.
この土地は子々孫々に受け継がれてきた。
This land has been passed down from generation to generation.
子々孫々に至るまで、この教えを守りなさい。
Keep this teaching for all your descendants to come.