How did the early indo-aryans measure their wealth?

The Aryans measured their wealth in cattle (cows), is the right answer.

To prospered their economy Indo - Aryans raised cows, goats, sheep and other animals. The most important indicator of wealth in the Aryan society was the figure of cattle a person owned. The numbers of cattle even represented the status of a family and a tribe. Eventually, cattle became so important in the Aryan community that they prohibited the killing of cattle.

Answer

With Cattle.

Explanation

Aryan was ancient people specifically called Indo-Iranian from areas around Caspian Sea. There great influence was on the formation of ancient Indian-Iran relationship. This group of individuals existed during the times when there was no writing thus most of their history was not documented. Economically, Aryan raised cattle, sheep and goats though they also farmed crops for trade with other tribes. The most vital indicator of wealth was Cattle and the more the number of cattle possessed by a family the more wealthy the family was, thus the cattle was later made illegal to be killed because of its importance.