What does Idex mean in Latin?

Idex, a proper noun, means “a river in Cisalpine Gaul, which flows into the Rhenus, now the Idice”.

What is the genitive of Idex?

The genitive singular is Idicis. Idex is masculine, third declension.

proper noun · masculinethird declension

Idex m sg (genitive Idicis)

masculinesingulara river in Cisalpine Gaul, which flows into the Rhenus, now the Idice

What does Idex mean in Latin?: Idex, a proper noun, means “a river in Cisalpine Gaul, which flows into the Rhenus, now the Idice”.
What is the genitive of Idex?: The genitive singular is Idicis. Idex is masculine, third declension.