"ekklésia: an assembly, a (religious) congregation
Original Word: ἐκκλησία, ας, ἡ
Part of Speech: Noun, Feminine
Transliteration: ekklésia
Phonetic Spelling: (ek-klay-see'-ah)
Definition: an assembly, a (religious) congregation
Usage: an assembly, congregation, church; the Church, the whole body of Christian believers."
"assembly, church.
From a compound of ek and a derivative of kaleo; 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) – assembly, church."
https://biblehub.com/greek/1577.htm