Meaning

noun one of the four countries that make up the United Kingdom of Great Britain and Northern Ireland; during Roman times the region was known as Cambria

noun a raised mark on the skin (as produced by the blow of a whip); characteristic of many allergic reactions

noun thick plank forming a ridge along the side of a wooden ship

originFrom Middle English Wales, from Old English Wēalas, plural of wealh (“Celt, Welsh person”), from Proto-West Germanic *walh, from Proto-Germanic *walhaz (“Celt, Roman”). Compare the second element in Cornwall, and also Gaul.

Etymology from Wiktionary, CC BY-SA 3.0