PC

*ṣVmVḳ- - raisin (Kogan 2015: 306)

similarity between with Akk. muzīḳu ‘raisin’ observed in DUL 786 is probably accidental

PWS
*ṣmḳ - to press, to squeeze; to dry, to shrivel up (Kogan 2015: 306)

Ugaritic
ṣmḳ - raisin (DUL 786)
Phoenician
ṣmḳ - dried fruit, raisin (DNWSI 970, Krahmalkov 2000: 418)
Hebrew
ṣimmūḳīm - cake of dried grapes (HALOT 1033)
Jewish Palestinian Aramaic
ṣimmūḳīn - raisins (DJPA 463)
is almost certainly a Hebraism