orosmoln

oro (“worry, anxiety”) +‎ -s- +‎ moln (“cloud”)

orosmoln n

1. a source of concern

   Ett annat orosmoln är om sponsorerna drar sig ur

   Another source of concern is if the sponsors were to pull out

   Orosmolnen hopar sig vid horisonten

   The worry clouds are gathering on the horizon (there's worrying signs ahead)

• “orosmoln”, in Svensk ordbok [Dictionary of Swedish] (in Swedish)
• “orosmoln”, in Svenska Akademiens ordbok [Dictionary of the Swedish Academy] (in Swedish)