dochmius
A metrical foot of five syllables used in Greek tragedy for highly anguished scenes. The metrical pattern is typically: short-long-long-short-long.
Yet there is good reason to doubt the existence of any such; —good reason to think, that dochmiuses belong to the triple rhythm
Where it comes from
From Latin dochmius, from Ancient Greek δόχμιος (dókhmios, “oblique; dochmius”).
Adapted from the Wiktionary entry dochmius (CC BY-SA 4.0).