Ancestral (adjective)

1. Relating to one's ancestors.
2. Relating to the past, especially to the distant past.

Origin:

Late middle english: from old french ancestral or late latin ancestralis, from latin ancestor "forefather".

Examples:

1. He traced his ancestral roots back to Ireland.
2. The ancestral home of the family was in Scotland.
3. The tribe's ancestral land was taken away from them.
4. The ancestral traditions of the community were passed down through generations.
5. The ancestral customs of the people were still being practiced.