Indo-European people

In anthropology, ethnology and sometimes linguistic anthropology, Indo-European people refers to the original people that historically spoke Indo-European languages, their ethnicity and their culture.
The Proto-Indo-Europeans a hypothetical group of people whose existence from around 4000 BC and spoke Proto-Indo-European language.
Bronze Age (third to second millennia BC) speakers of Indo-European languages that had not yet split into the attested sub-families, viz.: early dialects (speakers of languages predating Proto-Indo-Iranian, Proto-Armenian, Proto-Greek, Proto-Celtic, Proto-Italic, Proto-Germanic, Proto-Baltic, Proto-Slavic, and etc.)
Modern day speakers of Indo-European languages, or descendants of the original speakers of Indo-European languages.