This is the 105th most frequent Italian word.
circa
"Circa" in Italian means "about" or "approximately."
Here, 'circa' is used to express an approximate quantity, meaning 'about' or 'approximately.'
Ci sono circa 20 persone nella stanza.
There are about 20 people in the room.
In this context, 'circa' denotes an approximate time frame, similar to 'around' in English.
Questa città fu fondata circa mille anni fa.
This city was founded about a thousand years ago.
Here, 'circa' indicates an approximate time, providing a general idea without exact precision.