Where does “Четинов” come from?

Четинов (Bulgarian) comes from English cetin, from Ottoman Turkish چتین.

Ancestry of “Четинов”, step by step

Четинов traces back through two separate lines of ancestry.

via English cetin

StepLanguageWordMeaning
1EnglishcetinThe white, waxy constituent of spermaceti
2Ottoman Turkishچتین—

via Macedonian четина

StepLanguageWordMeaning
1Macedonianчетинаbristle
2Proto-Slavicčetina—
Every word from Ottoman Turkish چتین →Every word from English cetin →