dour
Concise Oxford English Dictionary © 2008 Oxford University Press:
dour /ˈdʊə, ˈdaʊə/
▶adjective very severe, stern, or gloomy.
– derivatives
dourly adverb,
dourness noun.
dourly adverb,
dourness noun.
– origin ME (orig. Scots): prob. from Sc. Gaelic dúr ‘dull, obstinate, stupid’, perh. from L. durus ‘hard’.
'dour' also found in these Oxford entries:

