diktat
noun /ˈdɪktæt/
  /dɪkˈtæt/
 [countable, uncountable] (disapproving)- an order given by a government, for example, that people must obey- an EU diktat from Brussels
- government by diktat
 Word Origin1930s: from German, from Latin dictatum ‘something dictated’, neuter past participle of dictare.