This is the 297th most frequent Serbian word.
ковачевић
"Ковачевић" (Kovačević) is a common Serbian surname, derived from "ковач" (kovač), meaning "blacksmith."
In this sentence, "Ковачевић" is used as a surname, likely referring to a person attending a meeting.
Ковачевић је дошао на састанак тачно на време.
Kovačević arrived at the meeting exactly on time.
Here, "Ковачевић" again serves as a surname, probably of an author whose book was read.
Прочитао сам занимљиву књигу коју је написао Ковачевић.
I read an interesting book written by Kovačević.
In this instance, "Ковачевић" denotes a family surname, indicating a group of people from the same lineage.