We don't have synonyms for protheses yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are prosthesis, proteles and prostheses.
(n) :
(Christianity) The preparation and preliminary oblation of the Eucharistic bread and wine in the Divine Liturgy of the Eastern Orthodox and Eastern Catholic Churches.
(n) :
(by extension) Credence table.
(n) :
(phonology) The prepending of phonemes at the beginning of a word without changing its morphological structure, as in Spanish esfera from Greek (via Latin) sphaera (“sphere”) (without prothesis the word would have become *sfera).
(n) :
(Christianity) The preparation and preliminary oblation of the Eucharistic bread and wine in the Divine Liturgy of the Eastern Orthodox and Eastern Catholic Churches.
(n) :
(by extension) Credence table.
(n) :
(phonology) The prepending of phonemes at the beginning of a word without changing its morphological structure, as in Spanish esfera from Greek (via Latin) sphaera (“sphere”) (without prothesis the word would have become *sfera).