Where does “سلور” come from?

سلور (Arabic) comes from Classical Syriac ܣܱܠܽܘܪܴܐ, from Ancient Greek σίλουρος, from Ancient Greek οὐρά, from Proto-Indo-European ors- — tail.

سلور (Arabic): catfish

Definitions

Step	Language	Word	Meaning
1	Classical Syriac	ܣܱܠܽܘܪܴܐ	—
2	Ancient Greek	σίλουρος	wels catfish
3	Ancient Greek	οὐρά	the tail, of a lion, dog etc; the rear-guard,...
4	Proto-Indo-European	ors-	tail