Where does “আহ্মে” come from?

আহ্মে (Old Bengali) comes from Magadhi Prakrit 𑀅𑀫𑁆𑀳𑁂, from Sanskrit अस्मे, from Proto-Indo-Iranian asmáy, from Proto-Indo-European n̥smé, from Proto-Indo-European éǵh₂ — I.