disc▪ Accord. to Ehret1989 #21 an extension in »concisive« * ʔ from a 2-rad. pre-protSem root ↗*SL ‘to draw out or off’, preserved in Ar ↗salla ‘to draw out slowly’. Other extensions from the same basis would include ↗salaba, ↗salata, ↗salaḥa, ↗salaḫa, ↗saliʕa, ↗salafa, ↗salaqa.
▪ The identity of verbal terminology for ‘clarifying butter\oil’ and other, now obsolete values (see HIST) suggests some kind of kinship between the clarification of butter\oil and the other activities designated earlier by salaʔa, such as ‘plucking off the prickles (of a palm-tree)’, ‘inflicting lashes upon s.o.’, and ‘paying ready money to s.o.’. But the exact nature of this relation, if valid, would remain to be explained.
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