This is the 755th most frequent Greek word.
εθνικό
"Εθνικό" means "national" in English.
In this sentence, "εθνική" means "national" and is used as part of the term "national highway" to describe a road that serves the entire country.
Η εθνική οδό έχει πολλή κίνηση σήμερα.
The national highway has heavy traffic today.
Here, "εθνική" refers to the "national team," highlighting a team that represents the nation in competitions.
Η εθνική ομάδα κέρδισε τον αγώνα.
The national team won the game.
In this context, "εθνικό" describes a park that has national significance and is designated as protected.