Very little is known about the ancient history of the language; linguists such as David Zorc and Robert Blust speculate that the Tagalogs and other Central Philippine ethno-linguistic groups had originated in Northeastern Mindanao or the Eastern Visayas.
Scholars such as Robert Blust suggest that the Tagalogs originated in northeastern Mindanao or the eastern Visayas.
[5] Possible words of Old Tagalog origin are attested in the Laguna Copperplate Inscription from the 10th century, which is largely written in Old Malay.
[6] The first known complete book to be written in Tagalog is the Doctrina Christiana (Christian Doctrine), printed in 1593.
[8][9] Old Tagalog was written in Baybayin, a writing system formerly used in the Philippines which belongs to the Brahmic family of scripts.