schmutzdecke n. a naturally occurring gelatinous layer of living biological matter on a sand-based water filter, for which it provides additional filtration. Editorial Note: Occasionally spelled in English as “schmutzedecke” or “smutzdecke.” Etymological Note: German schmutz ‘dirt’ + decke ‘covering.’ (source: Double-Tongued Dictionary)
Further reading
Why do we write the sound of a dog barking as bow wow? Isn’t that noise more like woof, woof or arf, arf or ruff ruff? Surprisingly, the oldest of these is bow wow, or as William Shakespeare wrote in The Tempest (Bookshop|Amazon), bowgh wawgh...
Vogelheu—literally, “Vogelheu”—is a Swiss dish with toasted bread, cubed and cooked with eggs and other ingredients for a tasty meal that makes efficient use of leftover bread. This is part of a complete episode.
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