Selected parts of the genealogical tree of the indoeuropean family of languages. The entire genealogy would have hundreds of branches of living, forgotten and reconstructed languages. Irish, Breton, Proto-Celtic, French, Spanish, Latin, German, Proto-Germanic, Polish, Russian, Proto-Slavic, Greek, Persian and of course Proto-Indo-European. Words of the same color are related and in general have got the same meaning.
See it live at: https://projekt.nubenum.com/18/2/indoeuropean-tree/