Where does “स्वस्तिका” come from?

स्वस्तिका (Hindi) comes from Hindi स्वस्तिक, from Sanskrit स्वस्तिक, from Sanskrit -क, from Proto-Indo-Aryan *-kas.

Ancestry of “स्वस्तिका”, step by step

स्वस्तिका traces back through two separate lines of ancestry.

via Hindi स्वस्तिक

StepLanguageWordMeaning
1Hindiस्वस्तिकswastika; a lucky or auspicious object
2Sanskritस्वस्तिकa kind of bard; any lucky or auspicious object,...
3Sanskrit-कdoer, maker
4Proto-Indo-Aryan*-kas

via Hindi

StepLanguageWordMeaning
1Hindithe second vowel of Hindi
Every word from Proto-Indo-Aryan *-kasEvery word from Sanskrit -कEvery word from Sanskrit स्वस्तिक
स्वस्तिका — Etymology, Origin & Word History | Etymology Explorer