Where does “Călcioiu” come from?

Călcioiu (Romanian) comes from Romanian calciu, from French calcium, from English calcium, from English -ium, from Latin -um, from Proto-Italic *-om, from Proto-Indo-European *-oHom.

Ancestry of “Călcioiu”, step by step

StepLanguageWordMeaning
1Romaniancalciucalcium chemical element
2Frenchcalciumcalcium
3EnglishcalciumThe chemical element (symbol Ca) with atomic number 20: a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks
4English-ium1997, Bryan Pfaffenberger, "Official Microsoft...
5Latin-umnominative neuter singular of -us; accusative...
6Proto-Italic*-om
7Proto-Indo-European*-oHom
Every word from Proto-Indo-European *-oHom