Jawi was developed from the advent of Islam in the Malay world, supplanting the earlier Brahmic scripts used during Hindu-Buddhist era. The oldest evidence of Jawi writing can be found on the 14th century Terengganu Inscription Stone, recorded in Classical Malay language that contains a mixture of Malay, Sanskrit and Arabic vocabularies. There are two competing theories on the origin of Jawi alphabet. Popular theory suggests that the system was developed and derived directly from the Arabic script, while scholars like R.O Windstedt suggest that it was developed through the influence of Perso-Arabic alphabet.