Old Testament Hebrew Lexical Dictionary
Strong's #03327 - יִצְחָק
Isaac = “he laughs”
1) son of Abraham by Sarah his wife and father of Jacob and Esau
יִצְחָק (“sporting,” as if it were part. fut. from the root צָחַק, to which etymology allusion is made, Genesis 17:17, 19 Genesis 17:19, 18:12, seq.; 21:6 26:8 ), pr.n. Isaac (LXX. Ἰσαάκ), a patriarch, the son of Abraham and Sarah, Genesis 21:28. In the poetical books it is sometimes written יִשְׂחָק (Syr. ܐܝܺܣܚܩܳ, Arab. إِسْحَق) Psalms 105:9; Jeremiah 33:26; Amos 7:9, 16 and in Am. loc. cit. poetically used for the nation of Israel, i.q. יִשְׂרָאֵל.
the Third Week after Epiphany