The Aramaic alphabet was developed sometime during the late 10th or early 9th century BCE and replaced Assyrian cuneiform as the main writing system of the Assyrian empire. The Aramaic alphabet is thought to be the ancestor or a number of Semitic alphabets as well as the Kharosthi alphabet. At the end of the 3rd century BCE, the Aramaic alphabet spawned a number of new alphabets including Syriac, Nabataean, Palmyran and Hebrew square script.
Aramaic, a language which developed from Phoenician which became the Lingua Franca throughout the Near East and Asia Minor during the late Assyrian period (1000 to 600 BCE).
This is a consonant alphabet with no vowel indication.