Since "jalshamoviez" is a known piracy release group tag and the file extension .mkv indicates a video file, it is highly likely that "E19" refers to of a television series.
: This is the source domain. Websites like this often append their URL to the file name for branding and tracking. II : Typically indicates Season 2 . E19 : Denotes Episode 19 . www.jalshamoviez.moe II E19.mkv