Where does “оплата” come from?

оплата (Serbo-Croatian) comes from German platte, from Middle High German platte, from Old High German platta, from Vulgar Latin platta, from Latin plattus, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us, from Proto-Indo-European pleth₂- — flat.

Definitions

Ancestry of “оплата”, step by step

StepLanguageWordMeaning
1Germanplatte
2Middle High Germanplatte—
3Old High Germanplatta—
4Vulgar Latinplattametal plate
5Latinplattusflattened
6Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
7Proto-Indo-Europeanpléth₂usflat, broad
8Proto-Indo-Europeanpleth₂-flat
Every word from Proto-Indo-European pleth₂- →Every word from Proto-Indo-European pléth₂us →Every word from Ancient Greek πλατύς →