Yitzchaq is the Biblical Hebrew form of Isaac, one of the three patriarchs of the Israelites. The name derives from the Hebrew root tsaḥaq, meaning 'to laugh,' and the verbal form yitsḥaq translates to 'he will laugh, he will rejoice.' This etymology is tied directly to the scriptural account in the Book of Genesis, where Abraham and Sarah laughed in disbelief when God announced that Sarah would bear a son in their old age (Genesis 17:17 and 18:12). Thus, the name Yitzchaq encapsulates a moment of miraculous intervention and human response.In the Hebrew Bible, Yitzchaq is a central figure. He is the son of Abraham and Sarah, and the narrative of his near-sacrifice by Abraham (the Binding of Isaac, or Akedah) is one of the most profound tests of faith in the scriptures. An angel stops Abraham at the last moment, and Isaac is spared. He later marries Rebecca and becomes the father of twin sons, Esau and Jacob, the latter of whom is renamed Israel and becomes the ancestor of the twelve tribes. Unlike Abraham, who journeyed from Ur, Isaac is noted for remaining in Canaan throughout his life, and he died at the age of 180, the longest-lived of the patriarchs.Yitzchaq is used in Jewish tradition as the biblical name, and it appears in the Hebrew Bible texts read in synagogue services. Variant forms of the name exist across many languages: Ishaq in Quranic Arabic, Sahak in Armenian, Isaac (Isaac) in Spanish, Isaak in Russian, and Izak in Slovene, among others. Each form reflects phonetic and orthographic adaptations while retaining the connection to the patriarch. In English, the form Isaac became more common after the Protestant Reformation and has been borne by famous figures such as physicist Isaac Newton and writer Isaac Asimov.Meaning: He will laugh, he will rejoiceOrigin: Biblical HebrewType: First name (biblical)Usage Regions: Jewish communities, Christian traditions