Isaak
EE-sahk
A Biblical name meaning “laughter,” widely used in Slavic and German traditions.
Meaning
Isaak is a form of Isaac, ultimately from the Hebrew name Yitzhak, meaning “laughter.” The excerpts also show it as a long-favored Christian name in Greek and Greco-Slavonic usage, especially in Russia and related countries.
Origin
Hebrewmasculine
Fun fact
The 1884 excerpt notes that Isaak was especially popular in the Greek Church and even became a royal name among the Comnenus family.
Confidence: mixed. Sources: History of Christian Names, A list of Christian names, their derivatives, nicknames and equivalents in several languages.