血缘 xuèyuán bloodline
How to remember 血缘: 血 blood + 缘 reason = bloodline.
Characters
How it is used
- Blood relationship / kinship by descent - 血缘关系 (xuèyuán guānxi) blood ties.
- Specifically about shared ancestry, unlike 血脉 (xuèmài), which leans toward the lineage/bloodline as a continuing line.
- 血 is read xuè in this formal compound (colloquial standalone 血 is often xiě).