Where does “પૂનમ” come from?
પૂનમ (Gujarati) comes from Old Gujarati पूनिम, from Prakrit 𑀧𑀼𑀡𑁆𑀡𑀺𑀫𑀸, from Sanskrit पूर्णिमा, from Sanskrit पूर्णमास्, from Proto-Indo-Iranian pr̥Hnás, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.
પૂનમ (Gujarati): the day of the full moon
Ancestry of “પૂનમ”, step by step