BT Ber 12b(1)↗כי הוה כרע כרע כחיזרא כי זקיף זקיף כח{{ז}}ויאky hwh krˁ krˁ kḥyzrˀ ky zqyp zqyp kḥ{{z}}wyˀܟܝ ܗܘܗ ܟܪܥ ܟܪܥ ܟܚܝܙܪܐ ܟܝ ܙܩܝܦ ܙܩܝܦ ܟܚ{{ܙ}}ܘܝܐܟܝ ܗܘܗ ܟܪܥ ܟܪܥ ܟܚܝܙܪܐ ܟܝ ܙܩܝܦ ܙܩܝܦ ܟܚ{{ܙ}}ܘܝܐky hwh krˁ krˁ kḥyzrˀ ky zqyp zqyp kḥ{{z}}wyˀכי הוה כרע כרע כחיזרא כי זקיף זקיף כח{{ז}}ויאܟܝ ܗܘܗ ܟܪܥ ܟܪܥ ܟܚܝܙܪܐ ܟܝ ܙܩܝܦ ܙܩܝܦ ܟܚ{{ܙ}}ܘܝܐܟܝ ܗܘܗ ܟܪܥ ܟܪܥ ܟܚܝܙܪܐ ܟܝ ܙܩܝܦ ܙܩܝܦ ܟܚ{{ܙ}}ܘܝܐ: he used to bow down only like a thorn. He used to stand up only like a snake;Mishqal Ainia 502↗arbik burkak ḏiaminak uzqup bbrak ḏsmalak: kneel your right knee down and straighten up with your left knee;TgJob29:8↗וקשישיא קמו וזקפוwqšyšyˀ qmw wzqpwܘܩܫܝܫܝܐ ܩܡܘ ܘܙܩܦܘܘܩܫܝܫܝܐ ܩܡܘ ܘܙܩܦܘwqšyšyˀ qmw wzqpwוקשישיא קמו וזקפוܘܩܫܝܫܝܐ ܩܡܘ ܘܙܩܦܘܘܩܫܝܫܝܐ ܩܡܘ ܘܙܩܦܘ: the old men stood up erect
See also s.vv. śgb, sqp. For Samaritan see also Tal pp. 608f. Given that śgb would seem to be the native Aramaic form of this root, combined with the absence of early usage of this form in Aramaic, zqp is probably an Akkadianizing form.