𑀧𑀼𑀡𑁆𑀡𑀺𑀫𑀸 (Prakrit) comes from Sanskrit पूर्णिमा, from Sanskrit पूर्णमास्, from Proto-Indo-Iranian pr̥Hnás, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.
𑀧𑀼𑀡𑁆𑀡𑀺𑀫𑀸 (Prakrit): full moon; the night of the full moon