Video from wheatoncollege
"Dr. Scott Callaham is Lecturer of Hebrew and Old Testament at Baptist Theological Seminary, Singapore. He has authored and edited a number of books and articles and is currently completing a new teaching grammar of Biblical Aramaic. Dr. Callaham discusses the form, meaning, and theological significance of the Aramaic term Abba, which Jesus uses in his prayer in the Garden of Gethsemane and which also appears twice in Paul’s writings." from video introduction