Where is Callirrhoe from?

Meaning of the name Callirrhoe

From the Greek name Καλλιρρόη (Kallirrhoe), derived from the word καλλίρρους (kallirrhous) meaning "beautiful flowing". This was the name of several characters in Greek mythology, including a daughter of Achelous. A small moon of Jupiter is named after her.

Characteristics of the name Callirrhoe

How do we know this about Callirrhoe

(and is it secret spies?)

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