Proto-Germanic

Jürgen Udolph
Namenkundliche Studien zum Germanenproblem
1994

also thinks Germanic place names point to a migration from Germany to
Scandinavia (and expanding out of Thuringia). For likely cognates to
the some placenames he point to Baltic, less so to Slavic, and
surprise! to Greek (he warns of course that this should not be taken
as etc etc and points to a long row of cognates in Eastern Europe all
the way to the Black Sea so that people don't get ideas).

PIE *tibh-
Devess, Defth, Diever (Deuere), Dieven, Dever, Diepholz,
Greek ti~phos "Sumpf, sumpfige Stelle, feuchter Wiesengrund"
Poland Cybina,
Slovakia Tiba, Tyba
Tisza, Temes,

Eresburg (in Nieder-, Ober Marsberg)
Greek óros

Netze, Nette, adj nass
Greek nótioz

Strut, strod
Greek hróth(i)os

Zschopau, Schefflenz (< *Skapilantia)
Greek skópelos

"
Der Nacweis in der osteurpoäischen and balkanischen Namenlandschaft
verbietet es, von besonderen Beziehiehungen zwischen Germanisch und
Griechisch zu sprechen
"

Alright then. Let's speak instead of a people with a Greek-speaking
elite wandering towards Northern Europe, leaving place names in its
trail.

Torsten