- Bengali Word বিসমিল্লাহEnglish definition[Arabic] (phrase) (1) in the name of God (a formula generally pronounced by Muslims at the beginning of any work or action). (2) beginning; commencement. বিসমিল্লাহ করা (verb transitive) begin; commence; start. বিসমিল্লাহয় গলদ a mistake at the very beginning; a false/ erroneous start.