What did σκάλα exactly mean in Byzantine Greek?

According to the dictionary by the Royal Spanish Academy, the word comes from Italian scala, and this one from Byzantine Greek σκάλα skála meaning "harbour" (or maybe "port" as "city with a harbour").

1. What does Skala mean?
2. What is the ancient Greek word for frontier?
3. What does Skala mean in Greek?

What does Skala mean?

skala c. a scale; ordered numerical sequence. a scale; scope. a scale; the ratio of depicted distance to actual distance. a scale; means of assigning a magnitude.

What is the ancient Greek word for frontier?

sýnoro. More Greek words for frontier. σύνορο noun. sýnoro border, boundary, march.

What does Skala mean in Greek?

The name 'Skala' originates from the Greek word for stairs. It was given this name because when it was in its original place, the houses seemed to ascend almost as though they were a set of stairs.