Where does “caminus” come from?

caminus (Latin) comes from Ancient Greek κάμινος — oven, furnace, kiln; flue for warming a room.

Ancestry of “caminus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	κάμινος	oven, furnace, kiln; flue for warming a room

caminus — Etymology, Origin & Word History | Etymology Explorer