noun, feminine/me.lɑ̃.kɔ.li/plural: mélancolies
melancholy, black bile (one of the four humours of ancient and mediaeval physiology, that was believed to be secreted by the kidneys and spleen and to cause melancholy and sadness when present in excess); melancholy (sadness or depression)
“Near-synonyms: cafard, blues, tristesse”
Synonyms: bile noire, atrabile, cafard, blues, tristesse
From Old French melancolie, from Ancient Greek μελαγχολία (melankholía).