rotunda etymology

Latin word rotunda comes from Latin -undus, Proto-Indo-European *rot-, Proto-Indo-European *Hret-, Latin retundus, and later Italian ritondo ((archaic) roundness, rotundity (archaic).)

Detailed word origin of rotunda

Dictionary entryLanguageDefinition
-undus Latin (lat) Derives adjective nouns from verbs, similar to present participles, but without the present time restriction.
*rot- Proto-Indo-European (ine-pro)
*Hret- Proto-Indo-European (ine-pro)
retundus Latin (lat)
rota Latin (lat) (figuratively) the disc of the sun. (pars pro toto) a car, a chariot. Wheel.
rotare Latin (lat)
rotundus Latin (lat) (figuratively) rounded, perfect. (figuratively, of speech) polished, elegant. (substantive) A sphere. Round, circular. Spherical, rotund.
ritondo Italian (ita) (archaic) roundness, rotundity (archaic).