pæonic

from The Century Dictionary.

• In ancient prosody: Of or pertaining to a pæon; constituting or equivalent to a pæon, or consisting of pæons: as, a pæonic foot, colon, verse; pæonic rhythm. The pæonic rhythm or movement was regarded by the ancients as especially enthusiastic and fiery in character
• Having the pedal ratio of a pæon (2:3); hemiolic: as, the pæonic (hemiolic) class of feet. See hemiolic.
• noun A pæonic foot or verse.