ekklēsia

Meaning

A calling out, i.e. (concretely) a popular meeting, especially a religious congregation (Jewish synagogue, or Christian community of members on earth or saints in heaven or both)

In the King James Version

assembly, church

Comes from

from a compound of G1537 (ἐκ) and a derivative of G2564 (καλέω)

Definitions from Strong's Exhaustive Concordance, digitised by Open Scriptures (CC BY-SA).