मिठाई (Hindi) comes from Hindi मीठा, from Sauraseni Prakrit 𑀫𑀺𑀝𑁆𑀞, from Sanskrit मिष्ट, from Sanskrit मृष्ट, from Sanskrit मृज्, from Proto-Indo-European *h₃merǵ- — to wipe off, wipe clean.
मिठाई (Hindi): sweet, dessert; sweetness