porphyrogenite
noun
por·phy·rog·e·nite
ˌpȯ(r)fəˈräjəˌnīt,
-fərōˈjeˌn-
variants or porphyrogenitus
-fərōˈjenətəs
plural porphyrogenites
-ˌnīts
or porphyrogeniti -nəˌtī
: a son born after the accession of his father to the throne : one born in the purple
Word History
Etymology
Medieval Latin porphyrogenitus, from Middle Greek porphyrogennētos, from Greek porphyra purple + gennētos born, from gennan to bear; akin to Greek gignesthai to be born