Indo-European (of or relating to languages originally spoken in Europe and Western Asia) / Indo-European (of or relating to hypothetical parent language of Indo-European language family) / Indo-European (of or relating to hypothetical group of peoples having spread Indo-European languages)

Indo-European (member of Proto-Indo-European ethnolinguistic group)

(uncountable, Indo-European studies) Proto-Indo-European (ancestor language of most European and Indian languages)

Proto-Indo-European (relating to the Proto-Indo-European language) / Proto-Indo-European (relating to the people who spoke Proto-Indo-European)

plural of proto-indo-europeu

plural of indo-europeu