Is the Son Eternally Begotten?

Arianism would say that the son was god from god, right? He has a divinity from the god. But he isn't. He doesn't have true divinity, right? That is actually something that they share in common, right? And you don't see them disputing that. By the way, where was bivical unitarianism hiding out during this time? Aa, in persia. We'll get to the by but somhow.