ÉRiu

From the name of an Irish goddess, who according to legend gave her name to Ireland (which is called Éire in Irish). In reality, the goddess probably got her name from that of the island, which may mean something like "abundant land" in Old Irish.

EQUIVALENTS
ENGLISH: Arin, Eireann, Erin, Eryn, Ireland
IRISH: Eireann, Erin