prothesisn.
英 'prɒθɪsɪs | 美 'prɑθɪsɪs
中文n. 词首增添字母或音节；（东正教）圣餐的准备；圣餐台
词根词源
prothesis (n.)from Greek prothesis "a placing before, a placing in public," from pro (see pro-) + thesis (see thesis). In ecclesiastical sense from 1670s; grammatical from 1870. Related: Prothetic (1835 in grammar); prothetical; prothetically.
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