porphyrogenite /pör-fi-rojˈə-nīt/

1. A Byzantine emperor's son born in the purple or porphyry room assigned to empresses
2. Hence, a prince born after his father's accession
3. A person born into the nobility, or a position of high rank

porphyrogenitism /-ō-jenˈit-izm/ noun

The Byzantine principle of the first son born after his father's accession succeeding to the throne

porphyrogenˈiture noun

• officer of the day
• officer of the watch
• officers
• officers of arms
• officers of the day
• offices
• office-seeker
• office-seekers
• official
• official birthday
• officialdom
• officialdoms
• officialese
• officialeses
• official family
• officialism
• officialisms
• officialities
• officiality
• official list
• official lists
• officially
• official receiver
• officials
• officialties