1. caballus — de Vaan
caballus 'horse, esp. workhorse' [m. o] (Lucil.+) IE cognates: Gr. PN Καβαλλας (4th cent.), καβάλλης 'nag' (Plut., Hsch.), καβάλλ(ε)ιον [n.] 'workhorse' (inscr. Callatis 3rd c. BC, Hsch.). The age of the Greek words shows that they are independent of caballus. Beekes interprets the word as an Asian loanword, and compares Turkish kaval adjunct of at 'horse', MoP kaval 'second class horse of mixed blood'. Although the … — [de Vaan, s.v. caballus, p. 91]