Where does “Saptami” come from?

Saptami (English) comes from Sanskrit सप्तमी, from Sanskrit सप्तन्, from Proto-Indo-Aryan saptá, from Proto-Indo-Iranian saptá, from Proto-Indo-European septḿ̥ — seven.

Saptami (English): The seventh day (tithi) of the fortnight (paksha) in Hindu lunar calendar

Definitions

  1. The seventh day (tithi) of the fortnight (paksha) in Hindu lunar calendar

Ancestry of “Saptami”, step by step

StepLanguageWordMeaning
1Sanskritसप्तमीseventh day in a lunar fortnight
2Sanskritसप्तन्seven
3Proto-Indo-Aryansaptá—
4Proto-Indo-Iraniansaptáseven
5Proto-Indo-Europeanseptḿ̥seven
Every word from Proto-Indo-European septḿ̥ →Every word from Proto-Indo-Iranian saptá →Every word from Proto-Indo-Aryan saptá →