צְחוֹק

צְחוֹקm. (b. h. צְחֹק; צָחַק) laughter, merriment. Gen. R. s. 53 (ref. to Gen. 21:9 מצחק) אין הלשין הזה של צ׳וכ׳ this expression of merriment (use of the root צחק) alludes to idolatry (by ref. to Ex. 32:6); … to bloodshed (by ref. to 2 Sam. 2:14); Tanḥ. Shmoth 1; Tosef.Sot.VI, 6. Ib.; Gen. R. l. c. אין … צ׳ אלא לשון ירושה this merriment refers to the joy over the heirloom (the birth of a legitimate heir to Abraham, whereas Yishmael claimed the birthright as the firstborn).