from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an honorific title given to a son of a reigning emperor in the Byzantine Empire, notably borne by Constantine VII Porphyrogenitus
from The Century Dictionary and Cyclopedia
- n. Same as porphyrogenitus.
From Medieval Latin porphyrogenitus, from Ancient Greek πορφυρογέννητος (literally "born in the purple"). (Wiktionary)