barythymia
A depressed state of mind.
archaic, rare, uncountable
1810, John Jackson, Barythymia (poem): referenced in Halkett, Dictionary of Anonymous and Pseudonymous English Literature
Where it comes from
From bary- + -thymia. From Ancient Greek βαρύς (barús, “heavy”) + θυμός (thumós, “soul, spirit”).
Adapted from the Wiktionary entry barythymia (CC BY-SA 4.0).