Where does “platynowy” come from?

platynowy (Polish) comes from Polish platyna, from Spanish platina, from Spanish plata, from Vulgar Latin plattus, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us, from Proto-Indo-European pleth₂- — flat.

platynowy (Polish): made of platinum

Definitions

made of platinum

Ancestry of “platynowy”, step by step

Step	Language	Word	Meaning
1	Polish	platyna	platinum
2	Spanish	platina	platinum; stage
3	Spanish	plata	argent; silver; money
4	Vulgar Latin	plattus	flattened; flat; smooth
5	Ancient Greek	πλατύς	wide, broad; flat, level; broad-shouldered
6	Proto-Indo-European	pléth₂us	flat, broad
7	Proto-Indo-European	pleth₂-	flat

Every word from Proto-Indo-European pleth₂- →Every word from Proto-Indo-European pléth₂us →Every word from Ancient Greek πλατύς →