Meaning

1 senses
  1. (rare, uncountable)The principle of succession in royal families, especially among the Eastern Roman emperors, by which a younger son, if born after the accession of his father to the throne, was preferred to an elder son who was born prior to it.

Origin

From porphyrogenite + -ism.

From porphyrogenite + -ism.

Wiktionary, CC BY-SA 4.0 · source

See also

neighbours in the dictionary
porphyrogenitism — meaning, examples, forms, synonyms | Krumeto