Indicates high-definition quality (1920x1080 resolution) ripped from a high-quality digital source.
The string you provided is a standard naming convention used on file-sharing sites like 7starhd: The source website or uploader tag. depending on your region's availability.
If you are looking for a place to watch it legally, you can check streaming platforms like Disney+ Hotstar or Amazon Prime Video, depending on your region's availability. depending on your region's availability.