Caius
/ˈkaɪ.əs/noun
A Latin praenomen (given name), traditionally spelled with a C in English contexts; also used in some institutional names.
Did you know?In Roman inscriptions, the abbreviation **C.** often stood for **Gaius**, because the name was traditionally written with both C and G forms in antiquity.
Etymological Timeline
Ancient Rome
Latin
Caius
“A common Roman personal name, later often spelled Gaius.”
Ancient Rome
Latin
Gaius
“The standard classical spelling of the same praenomen in later Latin usage.”
Late Antiquity
Latin
C.
“An abbreviation used in inscriptions and documents for the name Gaius.”
Middle Ages
Latin/English
Caius
“A learned or traditional spelling preserved in manuscripts and institutional naming.”
Modern English
English
Caius
“A historical or institutional spelling of the Roman name Gaius.”