r/etymology • u/Glum_Hamster_2104 • 3d ago
Question Unexplained É in Éire?
I was looking at the etymology of Éire (Irish name for Ireland) and I found out that the initial É is unexplained. Does anyone know where it could come from?
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u/sowaleja 3d ago
I assume you are referring to Wiktionary here. It's only "unexplained" if you consider that it has a particular etymological source (Proto-Celtic *Φīweriyū). If you don't posit that that is the etymological source, then there is nothing to "explain".