Where does “cyan” come from?

cyan (Spanish) comes from Ancient Greek κυάνεος, from Ancient Greek κῠ́ᾰνος, from Hittite kuwannan-, from Proto-Indo-European ḱwey- — to hiss, to whistle, to whisper; to shine, white,...

Ancestry of “cyan”, step by step

StepLanguageWordMeaning
1Ancient Greekκυάνεοςof the color of κῠ́ᾰνος: dark; dark-blue
2Ancient Greekκῠ́ᾰνοςdark-blue enamel
3Hittitekuwannan-precious stone, copper, blue
4Proto-Indo-Europeanḱwey-to hiss, to whistle, to whisper; to shine, white,...

Words derived from “cyan

Every word from Proto-Indo-European ḱwey-Every word from Hittite kuwannan-Every word from Ancient Greek κῠ́ᾰνος