Where does “Gluscevich” come from?

Gluscevich (English) comes from Serbo-Croatian Glušević, from Serbo-Croatian gluh, from Proto-Slavic glȗxъ — deaf.

Ancestry of “Gluscevich”, step by step

StepLanguageWordMeaning
1Serbo-CroatianGlušević—
2Serbo-Croatiangluhdeaf
3Proto-Slavicglȗxъdeaf
Every word from Proto-Slavic glȗxъ →Every word from Serbo-Croatian gluh →Every word from Serbo-Croatian Glušević →