There is another word the mortals use. Mother.
6 seconds sound clip from the The Life and Adventures of Santa Claus (1985) movie soundboard.
You can hear this line at 00:12:38.993 in the Blu-ray version of the movie.
Quote context
[...]
- We immortals are few, but mortals are many.
- I would like to see the mortals very much.
- Go then, and be back by daybreak tomorrow.
- Great Ak called me a man. What does that mean?
- It is the name mortals use for a boy who has grown, as you have.
- There is another word the mortals use. Mother.
- One who has a child, a mortal child who grows and becomes a man.
- I would like very much for you to call me that if only for this one time.
- Alright, then. Goodbye, mother.
[...]