Where does “स्वपति” come from?

स्वपति (Vedic Sanskrit) comes from Proto-Indo-Aryan swápati, from Proto-Indo-Iranian swápati, from Proto-Indo-European swép-e-ti, from Proto-Indo-European swep- — to sleep.

Ancestry of “स्वपति”, step by step

स्वपति traces back through two separate lines of ancestry.

via Proto-Indo-Aryan swápati

StepLanguageWordMeaning
1Proto-Indo-Aryanswápati—
2Proto-Indo-Iranianswápati—
3Proto-Indo-Europeanswép-e-ti—
4Proto-Indo-Europeanswep-to sleep

via Indo-Iranian *swápati

StepLanguageWordMeaning
1Indo-Iranian*swápati—

Words derived from “स्वपति”

Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swép-e-ti →Every word from Proto-Indo-Iranian swápati →