Original sentence: Once a week, a trade day (called a Mila) occurs.The concept of the Mila is ancient, and translates to "party", as the event is as much a social event as a trade day
Edited sentence: Once a week, a trade day (called a Mela) occurs.The concept of the Mela is ancient, and translates to "party" in Sanskrit, as the event is as much a social event as a trade day