Isaác

== Old Irish == === Alternative forms === Ísác === Etymology === From Latin Isaāc, from Ancient Greek Ἰσαᾱ́κ (Isaā́k), from Biblical Hebrew יִצְחָק (Yiṣḥāq, literally “he laughs”). === Proper noun === Isaác m (biblical) Isaac (the son of Abraham and Sarah, father of Esau and Jacob, from whom the Hebrew people trace their descent) For quotations using this term, see Citations:Isaác. ==== Declension ==== ==== Descendants ==== Irish: Íosác === Mutation ===