douce
Sweet; nice; pleasant.
Beyond the bed stood the woman. Dark and pale, aged about twenty-one . . . his mother, Mary de Bohun. Death had stolen none of her douce beauty and sweetness.
Serious and quiet; steady, not flighty or casual; sober.
The bookseller, douce man, had seen too many eccentric customers to be shocked by the vehemence of his questioner.
Where it comes from
From Middle English douce, from Old French dolz, dous, Middle French doux, douce, from Latin dulcis (“sweet”). Doublet of dolce, doux, and dulce.
Adapted from the Wiktionary entry douce (CC BY-SA 4.0).