conc▪ [v1] : an archaic *Š-stem (< *sa-qalaba ‘to cause to fall, make turn upside down’?) that has preserved (or re-imported?) the sa- prefix instead of the usual causative ʔa-? – For possibly similar cases, cf., e.g., ↗sabaqa (< *sa-bqà < *sa-baqiya?) or †salaqa (< *sa-lqà < *sa-laqiya? – see ↗†SLQ_12).
▪ [v2] : from ByzGrk sklábos ‘Slav’. The origin of the latter is a matter of discussion, see ↗saqlabī.
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