Where does “frățișor” come from?

frățișor (Romanian) comes from Romanian frate, from Latin frater, from Proto-Italic frātēr, from Proto-Indo-European bʰréh₂tēr — brother.

Ancestry of “frățișor”, step by step

StepLanguageWordMeaning
1Romanianfratebrother
2Latinfraterbrother; friend, lover; sibling
3Proto-Italicfrātērbrother
4Proto-Indo-Europeanbʰréh₂tērbrother
Every word from Proto-Indo-European bʰréh₂tēr →Every word from Proto-Italic frātēr →Every word from Latin frater →