1. 血统系：line of breeding 繁殖系 | line of descent 血统系 | line of growth 生长线

2. 系谱：line of cut == 切割线 | line of descent == 系谱 | line of dielectric == 介电线

noun

1. the descendants of one individual

e.g. his entire lineage has been warriors

Synonym: lineagelinedescentbloodlineblood linebloodpedigreeancestryoriginparentagestemmastock

2. the kinship relation between an individual and the individual's progenitors

Synonym: descentlineagefiliation