Where does “स्वपू” come from?

स्वपू (Sanskrit) comes from Sanskrit स्व, from Proto-Indo-Aryan swá, from Proto-Indo-Iranian swá, from Proto-Indo-European swé — self.

Ancestry of “स्वपू”, step by step

स्वपू traces back through two separate lines of ancestry.

via Sanskrit स्व

StepLanguageWordMeaning
1Sanskritस्वhis/her own; of self; one's self
2Proto-Indo-Aryanswá—
3Proto-Indo-Iranianswáself; reflexive pronoun
4Proto-Indo-Europeanswéself

via Sanskrit प

StepLanguageWordMeaning
1Sanskritपprotecting; drinking
2Proto-Indo-Europeanper-before, in front; first; to go through
3Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European swé →Every word from Proto-Indo-Iranian swá →Every word from Proto-Indo-Aryan swá →