n. dragonborn, a mortal born with the blood and soul of a dragon

Dovahkiin, Dovahkiin, naal ok zin los vahriin, wah dein vokul mahfaeraak ahst vaal!
Dragonborn, Dragonborn, by his honor is sworn, To keep evil forever at bay!
(Book, Songs of Skyrim)

Ful, losei Dovahkiin? Zu'u koraav nid nol dov do hi.
So, you're the Dragonborn? I see nothing of the dragon about you.
(Alduin, 000C8EA0)

Dragon name for a mortal individual born with the soul of a dragon. Dragonborn possess a dragon’s ability to Shout and devour the souls of other dragons.

Compound of dovah ‘dragon’ and kiin ‘to bear’.

Alternate, unofficial interpretations translate dovahkiin as dov ah kiin (‘born to hunt dragonkind’).