Prótarasóch

== Irish == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Adjective === Prótarasóch (genitive singular masculine Prótarasóch, genitive singular feminine Prótarasóiche, plural Prótarasócha, not comparable) (geology) Proterozoic ==== Declension ==== === Mutation === === Further reading === Ó Dónaill, Niall (1977), “Prótarasóch”, in Foclóir Gaeilge–Béarla [Irish–English Dictionary], Dublin: An Gúm, →ISBN