Where does “cavalier” come from?

cavalier (Italian) comes from Old French chevalier, from Late Latin caballarius, from Latin caballus, from Proto-Celtic kaballos — horse.

Ancestry of “cavalier”, step by step

StepLanguageWordMeaning
1Old Frenchchevalierknight
2Late Latincaballariushorseman
3Latincaballushorse; nag; pack-horse, jade, hack
4Proto-Celtickaballoshorse

Words derived from “cavalier

Every word from Proto-Celtic kaballosEvery word from Latin caballusEvery word from Late Latin caballarius