palfrey definition by Webster's New World
Origin: Middle English ; from Old French palefrei ; from Midieval Latin palafredus, for Late Latin paraveredus, extra post horse ; from Classical Greek para, beside plush Classical Latin veredus, post horse ; from Gaulish an unverified form voredos (akin to Welsh gorwydd, horse) ; from an unverified form vo-, down, away (; from Indo-European an unverified form wo- ; from base an unverified form au-, an unverified form awē) plush an unverified form -redos ; from Indo-European base an unverified form reidh- from source ride
palfrey definition by American Heritage Dictionary
noun pl. pal·freys Archaic
Origin: Middle English, from Old French palefrei, from Medieval Latin palafrēdus, alteration of Late Latin paraverēdus, post horse for secondary routes, extra horse : Greek para, extra, beyond; see per1 in Indo-European roots + Latin verēdus, post horse (of Celtic origin; see reidh- in Indo-European roots).