(countable and uncountable, plural prosiopeses)
- (grammar) Ellipsis of the beginning of a grammatical construction, common in informal speech and spontaneous written electronic communication, frequently occurring in stock phrases and interjections.
- The students of English were making good progress in getting to grips with the intricacies of informal constructions, peppering their conversations with proverbial idioms and substituting stock phrases like Good morning! and Thank you. with prosiopeses like Morning! and ‛Kyou.
- (intrusion instead of elision): prothesis
Coined in 1917 by the Danish linguist Jens Otto Harry Jespersen: pro- (“before”) (from the Ancient Greek preposition πρό (pro)) + σιώπησις (siōpēsis, “taciturnity”) (from σιωπάω (siōpaō, “to be silent”)) + -σις (-sis), (-sis, suffix forming nouns of action).