The Spanish word 'remolacha' (beetroot) has an interesting journey through history. It originated from the Gaulish term 'are more', meaning 'near the sea', which evolved into the Latin word 'armoracium', referring to a wild radish. The word then made its way through Italian, where it became 'ramolaccio' (also meaning wild radish), before finally entering Spanish as 'remolacha', shifting its meaning to specifically refer to beetroot. This semantic shift from wild radish to beetroot likely occurred due to the similar appearance and underground growth of these root vegetables.

While 'remolacha' is a relatively unique word in Spanish without many common variants, it's worth noting that in some Spanish dialects you might hear 'betabel' or 'betarraga', though these come from a different etymological root related to the Latin 'beta'.

While there aren't direct English cognates of 'remolacha', it's interesting to note that the original Gaulish term 'are more' is actually preserved in the name of Armorica, the ancient name for the coastal region of France (Brittany). The Latin term 'armoracium' also survives in the scientific name for horseradish, 'Armoracia rusticana', showing the connection to pungent root vegetables.