Where does “Boiciuc” come from?

Boiciuc (Romanian) comes from Ukrainian Бойчук, from Russian бойко, from Russian бо́йкий, from Proto-Slavic *bojьkъ — feisty, ready for fight.

Ancestry of “Boiciuc”, step by step

StepLanguageWordMeaning
1UkrainianБойчук—
2Russianбойкоbriskly; glibly, fluently; short neuter singular...
3Russianбо́йкийsmart, clever
4Proto-Slavic*bojьkъfeisty, ready for fight
Every word from Proto-Slavic *bojьkъ →Every word from Russian бо́йкий →Every word from Russian бойко →