Atepomarus in Celtic Gaul was a healing and sun god. Mauvières (Indre), Apollo was associated with this god in the form Apollo Atepomarus. Map of Gaul circa 58 BC Gaul (from Latin Gallia, c. ... Lycian Apollo, early Imperial Roman copy of a fourth century Greek original (Louvre Museum) In Greek and Roman mythology, Apollo (Ancient Greek , Apóllōn; or , Apellōn), the ideal of the kouros (a statue of a male youth), was the archer-god of medicine and healing, light, truth, archery...

At some of Apollo's his healing sanctuaries (as at Sainte-Sabine, Burgandy) small figurines of horses were associated with him. The root "epo" refers to the word for "horse", and the epithet is sometimes translated as "Great Horseman" or "possessing a great horse". This horse association may have arisen because Apollo was a sun-god and horses were closely linked to the Celtic solar cult.

References

Dictionary of Celtic Myth and Legend. Miranda Green. Thames and Hudson Ltd. London. 1997