A treebank of early Indo-European languages


Detail of a miniature with a man holding a hammer or mallet, Burney 272 f. 18, The British Library (Public Domain)


Every sentence has been annotated by hand and verified by trained linguists. The annotation schema is inspired by Lexical Functional Grammar and is the same for all the languages.

Detail of a miniature of a beehive, Burney 272 f. 43v, The British Library (Public Domain)


Syntacticus contains one million words from early Indo-European languages with complete morphological and syntactic analysis, and it is still growing.

Detail of a miniature with a man picking grapes, Burney 272 f. 26, The British Library (Public Domain)

Open Source

Syntacticus is open source, free and developer-friendly. Do you want to analyse the raw data yourself? No problem, get it from our repositories.

Classical texts

Syntacticus includes well-known Classical literature in Latin and Ancient Greek, like Caesar's Gallic War and Herodotus' Histories. It also contains a substantial collection of texts in old Slavonic languages.


Parallel Biblical texts

Syntacticus includes the New Testament in Ancient Greek and its translations into Latin, Gothic, Old Church Slavonic and Classical Armenian. Because these texts are translations you can browse them side-by-side and see how each word has been translated.