1896 O. F. Emerson BriefHist. Eng. Lang. i. 8The Balto-Slavic branch consists of two divisions.
1909 Webster, Balto-Slavonic, adj.
1910 Encycl. Brit. XIV. 495/1North of the Black Sea..comes the great Balto-Slavonic group.
Ibid. XVI. 246/1The words mentīrī, rōs, ignis have close equivalents in Balto-Slavonic.
1922 E. J. Harrison Lithuania ii. 32In 1654 the Old Prussians..renounced their Balto-Lithuanian idiom in favour of German.
1948 D. Diringer Alphabet ii. v. 347The new language may hold an intermediate position between..Balto-Slavonic and Greek.
ORIGIN: from Baltic + -o- .
Balto-
Prefix
- pertaining to Baltic, especially as a political entity
Etymology
Shortened unetymologically from Baltic in compounds- 20th century formation, perhaps echoing terms like Afro-, Indo-, Sino- etc.