%aonian%

a. [ From Aonia, a part of Bœotia, in Greece. ] Pertaining to Aonia, in Bœotia, or to the Muses, who were supposed to dwell there. [ 1913 Webster ]

Aonian fount, the fountain of Aganippe, at the foot of Mount Helicon, not far from Thebes, and sacred to the Muses. [ 1913 Webster ]