A blue color or blue-colored object; in taxonomy, a genus or species name containing the root meaning blue.
From Latin cyanus, from Greek kyanos meaning 'dark blue.' This is the root form that spawned cyano-, cyan, and all related compounds.
The word 'cyanus' is basically the grandfather of an entire vocabulary family—once you know this root, you can decode dozens of scientific names and chemistry terms that all trace back to the ancient Greek love of describing the color blue.
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