1. indo-european - Noun
2. indo-european - Adjective
3. Indo-european - Proper noun
Aryan; -- applied to the languages of India and Europe which are derived from the prehistoric Aryan language; also, pertaining to the people or nations who speak these languages; as, the Indo-European or Aryan family.
Source: Webster's dictionaryThe very natural tendency to use terms derived from traditional grammar like verb, noun, adjective, passive voice, in describing languages outside of Indo-European is fraught with grave possibilities of misunderstanding. Benjamin Lee Whorf
In fact, from then on scholars engaged in a kind of game of comparing different Indo-European languages with one another, and eventually they could not fail to wonder what exactly these connections showed, and how they should be interpreted in concrete terms. Ferdinand de Saussure
Various Turkish people invaded southwest Asia during the Middle Ages and carved an empire for themselves from lands occupied by the indigenous Semitic and Indo-European inhabitants. John Shimkus
On the other hand, northern India is the only place where place-names and river-names are Indo-European right from the period of the Rigveda (a text which Max Müller refers to as "the first word spoken by the Aryan man”) with no traces of any alleged earlier non-Indo-European names. Shrikant Talageri
Indo-European migrations Source: Internet
About 2.2% speak another Indo-European language at home and about 4.3% speak an Asian language at home. Source: Internet