Where does “plátano” come from?

plátano (Galician) comes 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.

plátano (Galician): banana, plantain; banana plant

Definitions

banana, plantain; banana plant

Ancestry of “plátano”, step by step

Step	Language	Word	Meaning
1	Latin	platanus	planetree, sycamore
2	Greek	πλάτανος	plane tree
3	Ancient Greek	πλάτανος	planetree
4	Ancient Greek	πλατύς	wide, broad; flat, level; broad-shouldered
5	Proto-Indo-European	pléth₂us	flat, broad
6	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 →