Where does “[[śona]], [[śwāna]]” come from?

[[śona]], [[śwāna]] (Old Javanese) comes from Sanskrit श्वान, from Sanskrit श्वन्, from Proto-Indo-Aryan śwā́, from Proto-Indo-Iranian ćwā́, from Proto-Indo-European ḱwṓ — dog.

Ancestry of “[[śona]], [[śwāna]]”, step by step

StepLanguageWordMeaning
1Sanskritश्वानdog
2Sanskritश्वन्a dog, hound, cur
3Proto-Indo-Aryanśwā́—
4Proto-Indo-Iranianćwā́dog
5Proto-Indo-Europeanḱwṓdog

Words derived from “[[śona]], [[śwāna]]”

Every word from Proto-Indo-European ḱwṓ →Every word from Proto-Indo-Iranian ćwā́ →Every word from Proto-Indo-Aryan śwā́ →