Asked by LR

In American society, most people take on the last name of their father at their birth. This kind of system is known as what?

I've seen someone ask this question on a different site and had wanted to answer them.

I thought I had the term. Does it start with an "a?"

Thanks for the help:-)
Answered by PsyDAG
patralineal
Answered by LR
Thanks PcyDAG