Meaning

adjective stubbornly unyielding; ; ; ; - T.S.Eliot

adjective harshly uninviting or formidable in manner or appearance; ; ; ; - J.M.Barrie

adjective showing a brooding ill humor; ; ; ; ; ; - Bruce Bliven

originBorrowed from Scots dour, possibly from Latin dūrus (“hard, stern”), via Middle Irish dúr. Compare French dur, Catalan dur, Italian duro, Portuguese duro, Romanian dur, Spanish duro. Doublet of dure.

Etymology from Wiktionary, CC BY-SA 3.0