Where does “Purnima” come from?

Purnima (English) comes from Sanskrit पूर्णिमा, from Sanskrit पूर्णमास्, from Proto-Indo-Iranian pr̥Hnás, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

Purnima (English): The full moon. The day (tithi) in each month in which the full moon occurs, and marks the division in each month between the two lunar fortnight in Hindu calendar

Definitions

  1. The full moon. The day (tithi) in each month in which the full moon occurs, and marks the division in each month between the two lunar fortnight in Hindu calendar

Ancestry of “Purnima”, step by step

StepLanguageWordMeaning
1Sanskritपूर्णिमाday of full moon; night of full moon
2Sanskritपूर्णमास्full moon; the day or night of the full moon
3Proto-Indo-Iranianpr̥Hnásfull, filled
4Proto-Indo-Europeanpl̥h₁nósfull
5Proto-Indo-Europeanpleh₁-to fill
Every word from Proto-Indo-European pleh₁- →Every word from Proto-Indo-European pl̥h₁nós →Every word from Proto-Indo-Iranian pr̥Hnás →