Aganippe
/ˌaɡəˈnɪpi/poetic and literary
noun
Used allusively to denote the source of poetic inspiration, or a person's poetic power, voice, or method.
Origin
Late 16th century; earliest use found in Philip Sidney (1554–1586), author and courtier. From Aganippe (classical Latin Aganippē, Hellenistic Greek Ἀγανίππη), the name of a fountain on Mount Helicon sacred to the Muses.