Originally Posted By: BranShea

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"For example, classical Latin equus was replaced in common parlance by vulgar Latin caballus, derived from Gaulish caballos (Delamare 2003 p.96), giving Modern French cheval, Catalan cavall, Occitan caval (chaval), Italian cavallo, Portuguese cavalo, Spanish caballo, Romanian cal, and (borrowed from Anglo-Norman) English cavalry and chivalry." (From the article)



And Irish: capall.