In Russian "Давать" - means "to give". "Даваша" sounds like she is giving something. Aren't Succubi meant to take instead of give?
Viewing post in Davasha jam comments
Hmm, really interesting, I'm not sure exactly how I'm going to handle this but I think in this world the relationship between succubi and humans is more symbiotic, with magic using humans parting with a small amount of power in exchange for the services the succubi provides. So they both take and give.