Loukas Christodoulou on Nostr: Today I learned the words Welsh, Walloon, Wallachia and Cornwall all probably come ...

Today I learned the words Welsh, Walloon, Wallachia and Cornwall all probably come from the name of a Celtic tribe, the Volcae, that invaded Greece just after Alexander's death, and left quite an impression after beating the defenders at Thermopylae.

https://en.m.wiktionary.org/wiki/Reconstruction:Proto-Germanic/walhaz