From Wiktionary, the free dictionary
18th century, borrowed from Russian ука́з (ukáz, “edict, decree”).
Ukas m (strong, genitive Ukas or Ukasses or Ukases, plural Ukasse or Ukase)
- ukase (proclamation from the Russian ruler)
- (humorous) any decree, rule, command
Declension of Ukas [masculine, strong]
- “Ukas” in Duden online
- “Ukas” in Digitales Wörterbuch der deutschen Sprache