This venerable one does conflate all youth with being a child, merely that a child is young.

However long a childhood is measured for the race in question is how long one is a child. Many immortals are children for several hundred years and may remain so for a couple thousand before they come into their adulthood.

[He recognizes that G'raha is trying to win on a matter of semantics and yet... Fine. He gives a dismissive wave of his hand.]

Forget it. Your age is immaterial.