Grazzi ħafna Karl għal din l-ispjegazzjoni!

Mhux problema. M'hemmx imniex.

According to Professor Zammit it is highly probable that Maltese was more similar to Arabic in the 15th century because foreign travellers wrote that the people of Malta spoke 'a form of Arabic'. Zammit gives some grammatical explanations why Maltese was pronounced in this way.

What makes Dr Martin Zammit (and others) think that Maltese was spoken as it is spoken in this video? How could they make this decision?