likely originated from the idea of trying to decipher or understand a complex situation or information. In this expression, "head" and "tail" symbolize the two ends of something, and trying to make sense of it implies the effort to grasp the entirety of a situation.
... [مشاهده متن کامل]
از سر و ته چیزی سر درآوردن - از ابتدا تا انتهای چیزی را فهمیدن
از چیزی سر در آوردن ( معمولا در جملات منفی )