Origin of the name YIZCHAK.
Etymology of the
Meaning of the baby name YIZCHAK.
Hebrew biblical Isaac
... When the
first glad tidings of the Child of Promise were announced, Sarah laughed
for very joy and wonder, and Laughter (Yizchak) became the name
of her son; known in Greek as Ἰσαὰκ
in Latin and to the European world
as Isaac. (History of Christian Names, Yonge, 1884)