Queen dowager, dowager duchess.
Origin of dowager
- Obsolete French douagière from douage dower from douer to endow from Latin dōtāre from dōs dōt- dowry dō- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle French douagere, douagiere, from douage (“dower”), from the verb douer (“to endow”), from Latin dōtāre (“to endow”), from dōs, dōtis ("dowry").