Where does “شاه‌قلی” come from?

شاه‌قلی (Chagatai) comes from Chagatai قل, from Proto-Turkic kül — ash.

Ancestry of “شاه‌قلی”, step by step

StepLanguageWordMeaning
1Chagataiقلslave
2Proto-Turkickülash
Every word from Proto-Turkic kül →Every word from Chagatai قل →