Definition of blanket. 1a : a large usually oblong piece of woven fabric used as a bed coveringb : a similar piece of fabric used as a body covering (as for an animal) a horse blanket.
The word arya was used for people who cultivated the mind and character. The aryans were the inhabitants of Aryavrata(India) and they followed Sanatan Dharma for many lakh years in the past, who spoke Sanskrit and practiced Sanatan culture along the banks of the rivers Saraswati and Sindhu.
Then came the theory that there was one race in ancient times who called themselves Aryans. They found in Sanskrit literature that there was a people who spoke Sanskrit and called themselves Aryans, and this is mentioned also in Persian literature.