Lewis & Short

2. Paeōnĭus, a, um, adj., = Παιώνιος, of or belonging to the god of medicine (Παιών), healing, medicinal (poet.): herbae, Verg. A. 7, 769: ope Paeoniā, Ov. M. 15, 535: fontes, Sil. 14, 27: unda, Claud. Apon. 67: cura, id. B. Get. 121.