Where does “cuișoraș” come from?

cuișoraș (Romanian) comes from Romanian cuișor, from Romanian cui, from Latin cui — relative.

Ancestry of “cuișoraș”, step by step

StepLanguageWordMeaning
1RomaniancuișorDiminutive of cui; little nail
2Romaniancuinail (metal fastener), pin
3Latincuirelative
Every word from Latin cuiEvery word from Romanian cuiEvery word from Romanian cuișor