Who first spoke Indo-European? DNA points to Eurasian herders 6400 years ago | Science | AAAS
[https://www.science.org/content/article/who-first-spoke-indo-european-dna-points-eurasian-herders-6400-years-ago] - - public:mzimmerm
A Minimum but 'guaranteed' PEI words in english
Type 'search' and look for word in english
Great analysis of how words developed (umlaut) from PEI to Greek
Shows origins of words traced to proto-indoeuropean