Where does “cyjan” come from?

cyjan (Polish) 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,...

cyjan (Polish): hydrogen cyanide

Definitions

hydrogen cyanide

Ancestry of “cyjan”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	κυάνεος	of the color of κῠ́ᾰνος: dark; dark-blue
2	Ancient Greek	κῠ́ᾰνος	dark-blue enamel
3	Hittite	kuwannan-	precious stone, copper, blue
4	Proto-Indo-European	ḱwey-	to hiss, to whistle, to whisper; to shine, white,...

Words derived from “cyjan”

cyjanowodór
cyjanek

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