Where does “kirjoplaty” come from?

kirjoplaty (Finnish) comes from English platy, from English plate, from Old French plate, from Medieval Latin plata, from Vulgar Latin plattus, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us, from Proto-Indo-European pleth₂- — flat.

Ancestry of “kirjoplaty”, step by step

kirjoplaty traces back through two separate lines of ancestry.

via English platy

StepLanguageWordMeaning
1EnglishplatyResembling plates; Of a field semy of plates;...
2EnglishplateA slightly curved but almost flat dish from which...
3Old Frenchplatea flat metal disk; a flat plate of armor
4Medieval Latinplatasilver
5Vulgar Latinplattusflattened; flat; smooth
6Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
7Proto-Indo-Europeanpléth₂usflat, broad
8Proto-Indo-Europeanpleth₂-flat

via Finnish kirjo

StepLanguageWordMeaning
1Finnishkirjospectrum; as a modifier in a compound term...
2Proto-Finnickirjoivariegated, mottled, spotted
3Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Indo-European pleth₂-Every word from Proto-Indo-European pléth₂usEvery word from Ancient Greek πλατύς