melancholia
noun/ˌmelənˈkəʊliə/
/ˌmelənˈkəʊliə/
[uncountable]- (formal or literary) a feeling of being very sad
- (old-fashioned) depression (= a medical condition in which a person feels very sad and anxious)
Word Originlate Middle English (denoting black bile): from late Latinfrom Greek melankholia, from melas, melan- ‘black’ + kholē ‘bile’, an excess of which was formerly believed to cause depression.
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melancholia