Mahalath Leannoth Maschil
This word leannoth seems to point to some kind of instrument unknown (Ps 88, title). The whole phrase has by others been rendered, “On the sickness of affliction: a lesson;” or, “Concerning afflictive sickness: a didactic psalm.”
Kilde: Easton's Bible Dictionary (M.G. Easton, 1897), public domain. Translated into Danish with AI and not yet proofread. Links to people and places: Theographic Bible Metadata (CC BY-SA 4.0).