WordکتباًMeaningin writingPart of speechadverbPronunciationCourseFarsiLessonFormal reason clauses (be dalil-e inke)Usages of کتباًبه دلیل اینکه لوله نشتی دارد، من مشکل را کتباً اطلاع دادم.be dalil-e inke lule neshti dârad, man moshkel râ katban ettelâ' dâdam.Because the pipe has a leak, I reported the problem in writing.