triloguen.

/ˈtrʌɪlɒɡ/Etymology: < tri- comb. form + Greek λόγος word, discourse.
society > leisure > the arts > literature > poetry > poem or piece of poetry > types of poem according to form > [noun] > triad (Welsh)
1834 T. Medwin I. 283 These trilogues or triads..are easily retained in the memory.
This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2018).