köken: From Middle High German kīben, from Old High German *kīban, from Proto-West Germanic *kīban (“to quarrel”). The modern form with a fricative is of Low and West Central German origin; compare Middle Low German kīven. The original plosive is preserved in the Upper German iterative form kibbeln and keppeln, in Bavarian keppln, and in Alemannic German kebbeln. Cognate with Dutch kijven.
köken: Uncertain; often cited as borrowed from Gaulish *kaballos, from Proto-Celtic *kaballos, perhaps ultimately an Asiatic borrowing or Wanderwort, compare Ancient Greek καβάλλης (kabállēs, “nag”), Proto-Slavic *kobýla (“mare”), Persian کول (kaval, “second class horse of mixed blood”), and possibly Karakhanid kevel (at) (“well-bred fast (horse)”). Alternatively, borrowed alongside Greek from…
köken: Etymology tree Proto-Celtic *kaballosder.? Latin caballus Old French cheval Middle French cheval French chevalbor. Esperanto ĉevalo Proto-Indo-European *-tós Proto-Italic *-tosder.? Late Latin -ittus Old French -et Middle French -et French -etbor. ▲ Late Latin -ittus Italian -ettobor. Esperanto -et- Esperanto ĉevaleto From ĉevalo (“horse”) + -et- (diminutive).