> By 5K years ago, it's primary subgroups, i.e Hellenic, Slavic, Germanic, Italic, and Indo-Iranian were already forming Didn't this process last a very long t

> By 5K years ago, it's primary subgroups, i.e Hellenic, Slavic, Germanic, Italic, and Indo-Iranian were already forming Didn't this process last a very long time though? IIRC the current consensus seems to be that Anatolian split off very early but Baltic/German/Slavic staid on the same branch until quite late (maybe even as late as 1000 BC) with other groups somewhere in between.