Here's what you might be thinking of:
* Latin: The Aeneid was written in Latin, the language of ancient Rome. So, if you're thinking about the language of the Aeneid, you're thinking about Latin.
* Epic poetry: The Aeneid is a major work of epic poetry, a genre that uses elevated language and style to tell tales of heroic deeds. The language used in epic poems is often more formal and elevated than everyday speech.
Let me know if you have any other questions about Virgil's Aeneid or the language of epic poetry!