hirmos
noun
hir·mos
variants or heirmos
irˈmȯs
plural hirmoi or heirmoi
-ˈmē
: a troparion, hymn, or canticle with a fixed rhythm and melody that is used as a standard rhythmic and melodic pattern for other troparia in the canon of the Eastern Church
Word History
Etymology
Late Greek heirmos, from Greek, series, sequence, connection; akin to Greek lirein to fasten together