Geez

ŝaḥaḳa - to laugh (CDG 528)

Var. ŝəḥḳa. With dissimilation of the two “emphatics”?

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