Where does “cyanellus” come from?

cyanellus (Latin) comes from Latin cyanus, from Ancient Greek κύανος, from Hittite kuwannan-, from Proto-Indo-European ḱwey- — to hiss, to whistle, to whisper; to shine, white,...

cyanellus (Latin): Somewhat green

Definitions

Somewhat green

Ancestry of “cyanellus”, step by step

Step	Language	Word	Meaning
1	Latin	cyanus	Alternative form of cȳanos
2	Ancient Greek	κύανος	blue
3	Hittite	kuwannan-	precious stone, copper, blue
4	Proto-Indo-European	ḱwey-	to hiss, to whistle, to whisper; to shine, white,...

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