platarsite

Etymology tree
Proto-Indo-European *pleth₂-
Proto-Indo-European *-us
Proto-Indo-European *pléth₂us
Proto-Hellenic *plətús
Ancient Greek πλατύς (platús)bor.
Vulgar Latin *plattusder.
Spanish plata
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnus
Spanish -ina
Spanish platina
English -um
English platinum
Proto-Indo-European *ǵʰelh₃-
Proto-Indo-European *ǵʰl̥h₃enyomder.
Proto-Indo-Iranian *ȷ́ʰr̥Hanyam
Proto-Iranian *jr̥Hanyam
Old Median *zaranyam
Old Median *kā
Old Median *zaraniyakāder.
Middle Persian *zarnīkbor.
Classical Syriac ܙܪܢܝܟܐ (zarnīḵā)der.
Arabic الزَرْنِيخ (az-zarnīḵ)bor.
Byzantine Greek ἀρσενικόν (arsenikón)der.
Latin arsenicumder.
Middle French arsenicbor.
Middle English arsenik
English arsenic
Proto-Indo-European *-tósder.
Ancient Greek -της (-tēs)der.
Ancient Greek -ῑ́της (-ī́tēs)der.
Latin -ītēsbor.
French -iteder.
English -ite
blend
English platarsite
Blend of platinum + arsenic + -ite.