The term 'Nate dea' translates to 'son of the goddess' and is often used in literature to denote a figure with divine heritage or protection. In the context of Vergil's Aeneid, this phrase highlights the protagonist Aeneas’s connection to the divine, specifically to his mother, Venus, who is a major goddess in Roman mythology. This connection emphasizes themes of fate, destiny, and the divine influence on human affairs throughout the narrative.