Where does “singuruc” come from?

singuruc (Romanian) comes from Romanian singur, from Latin singulus, from Proto-Italic sem-g-lo-, from Proto-Indo-European sem- — together, one.

Ancestry of “singuruc”, step by step

StepLanguageWordMeaning
1Romaniansingursingle, only, sole; alone, solitary
2Latinsingulussingle; apiece; every
3Proto-Italicsem-g-lo-—
4Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem- →Every word from Proto-Italic sem-g-lo- →Every word from Latin singulus →