Lusus, yes. [Because clearly her pronunciation is the concern here, and not that fact that Galekh is the kind of stuffy dork who doesn't nickname his own weird monster parent.

Her question takes him a little by surprise, and he lifts a hand a little self-consciously to one horn, catches himself, turns the gesture into adjusting his glasses.]

Is an anatomical feature supposed to be about something? Horns are not an unusual feature for trolls. We all have at least one pair. Goldbloods typically have two.