Where does “smirkový” come from?

smirkový (Czech) comes from Czech smirek, from German Schmirgel, from Italian smeriglio, from Greek σμερίλιον, from Ancient Greek σμερί, from Ancient Greek σμύρις — emery-powder, used by lapidaries.

smirkový (Czech): emery

Definitions

emery

Ancestry of “smirkový”, step by step

Step	Language	Word	Meaning
1	Czech	smirek	emery
2	German	Schmirgel	emery
3	Italian	smeriglio	emery; merlin; Synonym of sparviero
4	Greek	σμερίλιον	—
5	Ancient Greek	σμερί	—
6	Ancient Greek	σμύρις	emery-powder, used by lapidaries

Every word from Ancient Greek σμύρις →Every word from Ancient Greek σμερί →Every word from Greek σμερίλιον →