Semitic Etymological Database
“Is used for sand raised by the wind as well as the mud on the streets: milʼóˀo siyyára mən tɛr ṣáḳare ‘The car is full of sand from outside’.” (Kogan 2015:518)
Cf. EthS *ṣmw ‘to toil, to suffer pain’, Arb. ṣmy ‘to die on the spot’ (Lane 1729).