बछड़ा (Hindi) comes from Maharastri Prakrit 𑀯𑀘𑁆𑀙, from Sanskrit वत्स, from Proto-Indo-Iranian watsás, from Proto-Indo-European wots-ó-s, from Proto-Indo-European wétos, from Proto-Indo-European wet- — year; year-old.
बछड़ा (Hindi): calf