Deacon
来自Big Physics
Old English diacon, via ecclesiastical Latin from Greek diakonos ‘servant’ (in ecclesiastical Greek ‘Christian minister’).
wiktionary
From Old English diacon, from Ecclesiastical Latin diaconus, from Ancient Greek διᾱ́κονος(diā́konos, “servant, minister”).
etymonline
deacon (n.)
Middle English deken, "one who reads the Gospel in divine worship, one of a body of assistants to a priest or other clergyman," from Old English deacon, diacon, from Late Latin diaconus, from Greek diakonos "servant of the church, religious official," literally "servant," from dia- here perhaps "thoroughly, from all sides," + PIE *kon-o-, from root *ken- "to hasten, set oneself in motion." Related: Deaconess; deaconship.