Where does “кавунище” come from?

кавунище (Ukrainian) comes from Ukrainian каву́н, from Ottoman Turkish قاون, from Proto-Turkic kāgun — melon, muskmelon, watermelon.

Ancestry of “кавунище”, step by step

StepLanguageWordMeaning
1Ukrainianкаву́нwatermelon
2Ottoman Turkishقاونmelon; lemon
3Proto-Turkickāgunmelon, muskmelon, watermelon
Every word from Proto-Turkic kāgun →Every word from Ottoman Turkish قاون →Every word from Ukrainian каву́н →