Ekklesia is a Greek word ἐκκλησία ekklesia (ek–klay–see’–ah)
It appears 118 times in the Bible.
In the Amplified Version it is 115 times translated as church (as ordered by King James, as the Bible was specially made for the church he belonged to), and 3 times as assembly
originally it meant “called out ones. a gathering of citizens called out from their homes into some public place, an assembly to hear the latest news or government orders.
In a Christian sense it is
1) an assembly of Christians gathered for worship in a religious meeting
2) a company of Christians, or of those who, hoping for eternal salvation through Jesus Christ, observe their own religious rites, hold their own religious meetings, and manage their own affairs, according to regulations prescribed for the body for order’s sake
3) those who anywhere, in a city, village, constitute such a company and are united into one body
4) the whole body of Christians scattered throughout the earth
5) the assembly of faithful Christians already dead and received into heaven.