Indo-Iranian, Aryan (member of an eastern Indo-European subgroup) · Aryan (member of any Indo-European people or even the entire “Caucasian” race) · someone with light-coloured skin, hair and/or eyes, especially when also tall
çekim: çoğul Ariern · tamlayan Ariers
köken: From Sanskrit आर्य (ārya, “noble”). More at Aryan.
Proto-Indo-European; the reconstructed ancestor language or protolanguage of the Indo-European family of languages, which includes most European, Indian, and Iranian languages.
köken: From आदिम (ādim, “primitive, proto-”) + भारोपीय (bhāropīya, “Indo-European”).
Indo-European (relating to the presumed Indo-European people, to their presumed language, Proto-Indo-European, or their culture; relating to the present-day languages, peoples and cultures derived from the ancient Proto-Indo-Europeans)
çekim: karşılaştırma indoeiropeiskāks · üstünlük visindoeiropeiskākais
köken: From Indija (“India”) + eiropeisks (“European”) (indo- is a nationality prefix corresponding to India), following the pattern of other similar formations in other European languages (cf. German indoeuropäisch, Russian индоевропе́йский (indojevropéjskij), all tracing back to Sir Thomas Young's original English 1813 coinage Indo-European).