LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Cartesius

Cartesius m sg (genitive Cartesiī or Cartesī)
Classical[karˈtɛ.si.ʊs]Ecclesiastical[karˈtɛː.s̬i.us]

Meaning

  1. masculinesingulara surname famously held by
  2. masculinesingularRené Descartes (Latinized to Renātus Cartesius).

Declension

declension
formsingularplural
nominativeCartesius—
genitiveCartesiī
Cartesī		—
dativeCartesiō—
accusativeCartesium—
ablativeCartesiō—
vocativeCartesī—

Origins

Derived from Middle 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”).

In English words that came into English from Cartesius

  • CartesianCartesiānus

Quick answers

What does Cartesius mean in Latin?
Cartesius, a proper noun, means “a surname famously held by”.
What is the genitive of Cartesius?
The genitive singular is Cartesiī. Cartesius is masculine, second declension.
How do you pronounce Cartesius?
In classical Latin, [karˈtɛ.si.ʊs]; in ecclesiastical (church) Latin, [karˈtɛː.s̬i.us].