first as an adjective in 1839, then as a noun in 1849, probably after the German Arier (noun), arisch (adjective). During the 19th and early 20th centuries, the meaning varied between the broader category equivalent to Indo-European, and the narrower one equivalent to Indo-Iranian.

Use of Aryan to designate a "white non-Jewish person, especially one of northern European origin or descent" entered the English language from German, after this meaning was introduced in 1887 and further developed by German anti-Semitic propagandists in the