出典:Wiktionary
Derived from French Descartes, one of several surnames originating in the Reformation period denoting support for the compromise of religious charters for each municipality, indicating adherence to a Catholic or Protestant denomination. Compare also the surname of his mother Brochard and the Germanic variant Broschart, corresponding to pro- (“for, supporting, on behalf of”) + charta (“charter”).
Cartesius m sg (genitive Cartesiī または Cartesī); second declension