𑖢𑖯𑖝 (Kamarupi Prakrit) comes from Prakrit 𑀧𑀢𑁆𑀢, from Sanskrit पत्त्र, from Proto-Indo-Iranian pátati, from Proto-Indo-European péth₂eti, from Proto-Indo-European peth₂- — to spread out; to fly.
𑖢𑖯𑖝 (Kamarupi Prakrit): leaf