That specific string looks like a file name for a digital video, but "legacy-amkf" isn't a standard TV show title. It is most likely a or a shorthand used by encoding groups.
This is a popular Turkish drama (original title: Emanet ). Release groups often use shorthand like "AMKF" when uploading episodes of international soaps or "Daily" dramas. legacy-amkf s05e03-720p-web43:29 Min
Based on the format, this could refer to a couple of different things: That specific string looks like a file name
