Where does “platiniridium” come from?

platiniridium (English) comes from English platinum, 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.

platiniridium (English): A natural alloy of platinum and iridium occurring...

Definitions

  1. A natural alloy of platinum and iridium occurring...

Ancestry of “platiniridium”, step by step

platiniridium traces back through two separate lines of ancestry.

via English platinum

StepLanguageWordMeaning
1EnglishplatinumThe chemical element with atomic number 78 and...
2Spanishplatinaplatinum; stage
3Spanishplataargent; silver; money
4Vulgar Latinplattusflattened; flat; smooth
5Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
6Proto-Indo-Europeanpléth₂usflat, broad
7Proto-Indo-Europeanpleth₂-flat

via English iridium

StepLanguageWordMeaning
1EnglishiridiumA chemical element with an atomic number of 77:...
2Latiniridiumiridium
3LatinĪris
4Ancient GreekἾριςIris
5Ancient GreekἼρις
Every word from Proto-Indo-European pleth₂-Every word from Proto-Indo-European pléth₂usEvery word from Ancient Greek πλατύς
platiniridium — Etymology, Origin & Word History | Etymology Explorer