From BiblePortal Wikipedia
Webster's Dictionary 
(n.) Pallas Athene, the Grecian goddess of wisdom, called also Athene, and identified, at a later period, with the Roman Minerva.
The Nuttall Encyclopedia 
One of the names of Athena ( q. v .) considered as the goddess of war; a name of uncertain derivation.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature 
a surname of Athene (Minerva), is always joined with her name in the writings of Homer, but by later writers is used independently.