trissyllable

plural trissyllables

1. alternativeAlternative form of trisyllable.

   Which when ſubſcrib’d writes Legion, names on Truſs, / Abaddon, Belzebub, and Incubus, / All the Vice-Royes of darkneſs, every ſpell / And Fiend wrap’d in a ſhort Triſſyllable.

   1665, John Cleaveland, Poems. With Additions, Never Before Printed., London: […] S. G for John Williams, page 91

   3 more examples

   And tho’ this would not be the Primitive Language for which it was made, yet for the preſent uſes of it (the chiefeſt of which is the aſſiſting and refreſhing the memory, and helping the imagination by proper ſounds) it might be as good: wherein the ſingle Characters might be Monoſyllables and the compounded diſyllables [Diſſylables in https://books.google.com/books?id=MpowAAAAYAAJ&pg=PA231] Miscellanea Curiosa, 1707 triſſyllables, &c.

   1688, R. H. R. S. S., “Some Obsorvations, and Conjectures Concerning the Chinese Characters”, in Philosophical Transactions Giving Some Account of the Present Undertakings, Studies, and Labours of the Ingenious in Many Considerable Parts of the World, volume XVI, London: […] Joseph Streater, page 77

   In reading dissyllables, trissyllables, &c. it will be easy for teachers to make their scholars understand, that instead of the division, they should substitute the simple or articulated sound which is represented by the letters that are annexed to it, and read the word all together: and that these divisions are inserted only for the sake of facilitating the syllabisation, if I may be allowed the expression.

   1834, J. Meier, Porney’s Syllabaire Français, or French Spelling Book, 4th edition, Baltimore, Md.: Edward J. Coale & Co., page 7

   The Greeks have nowhere, as we have seen, complained of any difficulty in associating their dissyllables, alpha, beta, gamma, delta; and trissyllables, omicron and omega, with the elements of sound to which they refer.

   1844, Remarks on the Seventh Annual Report of the Hon. Horace Mann, Secretary of the Massachusetts Board of Education, Boston, Mass.: Charles C. Little and James Brown, page 80