patrilineal

形容词 patrilineal:

1. based on or tracing descent through the male line
   同义词：patrilinear

pat.ri.lin.e.al

adj.（形容词）
Relating to, based on, or tracing ancestral descent through the paternal line.
父系的：与父系血统有关的；以父亲血统为基础的，按父方血统追溯的族系的