He definitely did not speak Arabic, another Semitic language that did not arrive in Palestine until after the first century A.D. So while Jesus' most common spoken language was Aramaic, he was familiar with—if not fluent, or even proficient in—three or four different tongues.

What languages could Jesus speak?

There's scholarly consensus that the historical Jesus principally spoke Aramaic, the ancient Semitic language which was the everyday tongue in the lands of the Levant and Mesopotamia. Hebrew was more the preserve of clerics and religious scholars, a written language for holy scriptures.

What is the original language of God?

Indic traditions

In Vedic religion, "speech" Vāc, i.e. the language of liturgy, now known as Vedic Sanskrit, is considered the language of the gods.