bloodline

noun4

1. •
   The abstract link between a person and their ancestors.

   • For centuries in Britain, the country’s noblemen have sat in parliament by virtue of their bloodline – but not for much longer. — 2024
2. •
   The pedigree of an animal.
3. •
   By extension, the predecessors of a particular item or product.

   • No other Sport Utility Vehicle has a bloodline like the Cayenne. — 2002
4. •
   A line of dark red muscle running down the middle of a fish.