PROTESI. – Like “diaconicon,” this term is used to designate, in Byzantine architecture or architecture derived from it, one of the two minor apses flanking the central apse, which is always polygonal (v. PASTOPHORION).
Prothesis
Cite this article
“PROTESI.” Enciclopedia Cattolica, vol. X (1953), p. 116. Azione Romana digital edition, https://azioneromana.com/article/protesi.