Where does “plataner” come from?

plataner (Catalan) comes from Catalan plàtan, from Spanish plátano, from Latin platanus, from Greek πλάτανος, from Ancient Greek πλάτανος, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us, from Proto-Indo-European pleth₂- — flat.

plataner (Catalan): a plane tree

Definitions

a plane tree

Ancestry of “plataner”, step by step

Step	Language	Word	Meaning
1	Catalan	plàtan	a planetree, especially the London plane (Platanus × acerifolia)
2	Spanish	plátano	banana; plantain; sycamore, plane
3	Latin	platanus	planetree, sycamore
4	Greek	πλάτανος	plane tree
5	Ancient Greek	πλάτανος	planetree
6	Ancient Greek	πλατύς	wide, broad; flat, level; broad-shouldered
7	Proto-Indo-European	pléth₂us	flat, broad
8	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 →