From *aqsaq "lame, limping", from Proto-Turkic*agsa-(“to limp, be lame”).
Cognate with
Old Turkic[script needed](aqsaq), Old Turkic[script needed](axsaq, “lame”),
Tatarаксак(aqsaq),
Kazakhақсақ(aqsaq),
Kyrgyzаксак(aksak),
Uzbekoqsoq,
Uyghurئاخساق(axsaq, “lame”), etc.