Reliable data in linguistics, archeology, ethnography and history confirmed that ancient peoples speaking paleo-Balkan languages, including the Thracians are ethnic and linguistic components of the pre-Greek substrate with enormous influence on the Greek language and culture. In this article the author examines some aspects of the language and culture of the Thracians as components of paleo-Balkan pre-Greek substrate, as components with immense influence on the Greek language. Thus, currently the Greek language serves as a source for descovering paleo-Balkan languages, one of which is the Thracian language.