Where does “喀瓦克” come from?

喀瓦克 (Chinese) comes from Uyghur كاۋاك, from Persian کاواک, from Persian کاو, from Proto-Indo-European ḱewh₁- — to swell; to be strong.

Ancestry of “喀瓦克”, step by step

StepLanguageWordMeaning
1Uyghurكاۋاكhole, hollow, cavity
2Persianکاواکcavity
3Persianکاوconcave, hollow
4Proto-Indo-Europeanḱewh₁-to swell; to be strong
Every word from Proto-Indo-European ḱewh₁- →Every word from Persian کاو →Every word from Persian کاواک →