Where does “aaneagh” come from?

aaneagh (Manx) comes from Manx aane, from Middle Irish áe, from Old Irish óa, from Old Irish ó, from Proto-Celtic *au, from Proto-Indo-European h₂ew, from Proto-Indo-European ǵʰe — Postpositional intensifying particle: indeed, at any rate, in fact.

aaneagh (Manx): hepatic, liver; liverish