IPA: /ɪˌkliːziˈɒlədʒɪst/
KK: /ɪˌkliz.iˈɑ.lə.dʒɪst/
A person who studies or specializes in the theory and practice of the Christian church.
The ecclesiologist presented his research on church governance at the conference.
Ecclesiologist → It is formed from "ecclesia" (from Greek "ἐκκλησία", meaning assembly or church) and "-ologist" (from Greek "λόγος", meaning study or discourse). An ecclesiologist is someone who studies the church or its structure.
Think of 'ecclesia' meaning assembly or church, and '-ologist' meaning someone who studies. This helps you remember that an ecclesiologist is a person who studies the church.