Smog

== German == === Etymology === Borrowed from English smog (“a portmanteau word formed from smoke and fog”). === Pronunciation === === Noun === Smog m (strong, genitive Smogs, plural Smogs) smog ==== Declension ==== === Further reading === “Smog” in Duden online “Smog”, in Digitales Wörterbuch der deutschen Sprache‎[1] (in German)