Where does “cylindrus” come from?

cylindrus (Latin) comes from Ancient Greek κύλινδρος, from Ancient Greek κυλίνδω — I roll, turn over.

cylindrus (Latin): cylinder; a roller; a cylindrical stone for...

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	κύλινδρος	round stone, tumbler, marble; roller, cylinder;...
2	Ancient Greek	κυλίνδω	I roll, turn over

cylindrus — Etymology, Origin & Word History | Etymology Explorer