Where does “камео” come from?

камео (Russian) comes from English cameo, from Italian cammeo, from Medieval Latin camaeus — cameo.

камео (Russian): cameo

Definitions

Step	Language	Word	Meaning
1	English	cameo	A piece of jewelry, etc., carved in relief; A...
2	Italian	cammeo	cameo; cameo brooch
3	Medieval Latin	camaeus	cameo

камео — Etymology, Origin & Word History | Etymology Explorer