Balto-Slavic Definition

bôltō-slävĭk, -slăvĭk
noun
A branch of the Indo-European language family that consists of the Baltic and Slavic languages.
American Heritage
The Baltic and Slavic languages, when considered as constituting a subfamily within the Indo-European family of languages: the Baltic and Slavic branches are now generally considered by scholars as independently derived from Indo-European.
Webster's New World
Synonyms:
  • Balto-Slavonic
  • Balto-Slavic language
adjective
Designating or of such a language subfamily.
Webster's New World
Of or pertaining to the Balto-Slavic language, the people who spoke it or their culture.
Wiktionary
pronoun

The Proto-Balto-Slavic language, i.e. the common development stage between the Proto-Indo-European and the later Baltic and Slavic languages.

Wiktionary