stock / lineage / strain
nounfeminineformal/iʃ.ˈtiɾ.pɨ/medium
es·tir·pe
Definition
Lineage, ancestry, or family origin, especially when considered noble, pure, or distinguished. In biology, a strain or variety of an organism.
The horse came from a famous stock of thoroughbreds.
Researchers identified a new strain of the bacteria.
Common collocations
noble stockroyal lineageof humble stockstrain of bacteria
Etymology
Do latim 'stirps, stirpis' (tronco, raça, origem).