Etymology of the English word deacon
the English word deacon
derived from the Latin word diaconus (deacon; cleric of minor orders)
derived from the Greek word diakonos, διάκονος (an attendant; (genitive case) a waiter (at table or in other menial duties); specially, a Christian teacher and pastor (technically, a deacon or deaconess))
derived from the Proto-Germanic root *dauthaz