Jewish Palestinian Aramaic

gḥk - to laugh, jest (DJPA 126)

With g- instead of *ˁ- to avoid incompatible pharyngeals *ˁ- and *-ḥ-.

PWS
*ṣ̂ḥk/ṣ̂ḥḳ - to laugh (SED I 70ᵥ)
The level of reconstruction is uncertain due to semantic difficulties concerning the possible Akkadian cognate.