FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

diakonos διάκονος — dee-ak'-on-os — probably from an obsolete diako (to run on errands; compare 1377); an attendant, i.e. (genitive case) a waiter (at table or in other menial duties); specially, a Christian teacher and pastor (technically, a deacon or deaconess):--deacon, minister, servant.

see GREEK for 1377