The term "Jital" in early medieval India referred to a coin. It was a small copper coin that was commonly used for trade and commerce during that time period. The Jital was a currency unit that held value and facilitated transactions in the local economy. It was widely accepted and circulated in various parts of India during the medieval period.

Option 1: Weight - This is incorrect as the term Jital specifically refers to a coin and not to a measure of weight.

Option 2: Diet - This is incorrect as the term Jital has no association with the concept of diet.

Option 3: Coin - This is the correct answer. The term Jital refers to a small copper coin used in early medieval India.

Option 4: Game - This is incorrect as the term Jital does not have any connection to a game.

Overall, the correct answer is option 3, which states that the term Jital in early medieval India referred to a coin.