Etymology of the English word deicide
the English word deicide
derived from the English word ecclesiastical
derived from the English word Ecclesiastes
derived from the Late Latin word Ecclesiastes (Ecclesiastes, Book of Bible, OT)
derived from the Greek word ekklesiastes
derived from the Late Greek word ekklesia, ἐκκλησία (a calling out; (concretely) a popular meeting, especially a religious congregation (Jewish synagogue, or Christian community of members on earth or saints in heaven or both))
using the English suffix -ical