" 'FROO-RHEE-ON " or " O-KHEE-'RHON "
φρούριο
The Greek Translation for the English word Great as in size is Megalos.The Greek Translation for the English word Great as in Good is Kalo.
The word 'great' does not come from greek. it's old English from the germanic: "grautaz"
Q: Around what feature was a Greek polis built?A: A Greek polis was usually built around a strong fortress.
mages
Barracks
If your intent was to ask "What is the Greek approximation of the English word 'great'?" then the answer is: μεγάλος (Pronounced: megálos)
He had his house locked down like a fortress.
The leader that built the Antonia Fortress in Jerusalem was Herod the Great. The fortress was used as a military barracks.
Polis is the Greek word for a city-state, that is a tract of farmland on which was built a city and its protective fortress (acro-polis = high city, that is the fortress on a hill, around which the city came to be built). It was independent - self ruled - which is why the term city-state is used.
hutment
"The soldiers defended the fortress as best they could." "The fortress was built to defend again attacks by Viking raiders." "His stoic demeanor was his fortress against the cruelty the world can inflict."