(116 BC – 27 BC) Marcus Terentius Varro was the Roman scholar who wrote De lingua latina libri XXV, i.e. On the Latin Language in 25 Books (books 5-10 still survive).

A contemporary of Dionysius Thrax, he translated into Latin the grammatical terminology invented by the Greeks then used their techniques to analyze Latin. This was successful because the two languages are very similar (e.g. they are both highly inflected with complex noun and verb structures).

Example -
The grammatical term person derives via Old French from the Latin persona, which was Varro's translation of Dionysius Thrax's πpοσωποποιία, making a mask.

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