This is the 461st most frequent Swedish word.
lämnat
"Left" (past participle of "leave").
Here, "lämnat" is used in the present perfect tense, indicating an action that has been completed in the past, specifically 'leaving' an object in a particular place.
Jag har lämnat boken på bordet.
I have left the book on the table.
This usage highlights "lämnat" in a context where it symbolizes a habitual action, although the exact tense might need adjustment depending on completion.
De lämnat aldrig ett ärende utan att följa upp det.
They never leave a case without following it up.
In this sentence, "lämnat" is part of a past perfect tense construction, showing an action (leaving) that occurred before another past action.