Čajkovići
Čajkovići is a surname found primarily in Bosnia and Herzegovina and Croatia. It is of Slavic origin and is likely derived from a personal name or occupational descriptor connected to the word "čajka" (meaning lapwing or gull in various Slavic languages). The suffix "-ići" is a common Slavic patronymic suffix, indicating descent or belonging to a family. Thus, Čajkovići likely signifies "descendants of Čajko" or "family of the one known for lapwings/gulls." The surname is relatively uncommon and likely originates from a specific geographic area. Genealogical research within these regions might yield further insights into the family's history.