Where does “Kaukasus” come from?

Kaukasus (German) comes from Latin Caucasus, from Ancient Greek Καύκασος, from Proto-Scythian xrohukäsi — ice-shining, white with snow.

Ancestry of “Kaukasus”, step by step

Step	Language	Word	Meaning
1	Latin	Caucasus	—
2	Ancient Greek	Καύκασος	—
3	Proto-Scythian	xrohukäsi	ice-shining, white with snow

Kaukasus — Etymology, Origin & Word History | Etymology Explorer