I know probably many professional linguists would want to kill me, and the dead ones would turn in their graves, but have any of you also speculated about the relationship between Hurro-Urartian and Etruscan/Tyrrhenian languages? Their set of cardinal numerals strike me as vaguely similar, and something that reinforces my curiosity to search this further is exactly that they don't look similar, there aren't nearly identical correspondences - what almost certainly indicates sheer coincidence -, but only vague similarities and correspondent sounds between them.
Besides, there is the fact that we see Tyrrhenian tongues spread in parts of Europe that received a good ammount of CHG after the Neolithic, and that apparently the Etruscans themselves stiill had an oral memory of an ancient migration originating in Asia Minor (we shouldn't dismiss all such legendary accounts, there is often some hint of the truth in them, like, for example, how the Mexica glorified their Aztlán ancestral lands, which really probably meant their northern roots in Southwestern United States, around Arizona or New Mexico).
HURRIAN/ETRUSCAN
1 - shukko / thu
2 - shini / zal
3 - kike / ki
4 - tumni / huth
5 - nariya / makh
6 - sheshe / sha
7 - shinti / semph
8 - kiri / kezp
9 - tamri / nurph
10 - eemani / halkh