Where does “Cărbunariu” come from?

Cărbunariu (Romanian) comes from Romanian cărbunar, from Latin carbōnārius, from Latin carbō, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

Ancestry of “Cărbunariu”, step by step

StepLanguageWordMeaning
1Romaniancărbunarcoalminer, pitman
2Latincarbōnāriusof or relating to charcoal
3Latincarbōcharcoal, coal
4Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
5Proto-Indo-Europeankr̥-to turn, to bend
6Proto-Indo-Europeanker-army
Every word from Proto-Indo-European ker- →Every word from Proto-Indo-European kr̥- →Every word from Proto-Indo-European ḱer- →