διάκονος

Etymology
+, from. The length of the is explained by Brugmann and Boisacq as by analogy to long vowels that occurred in compounds where the second element started with a vowel.

Noun

 * 1) messenger, courier
 * 2) servant
 * 3)  minister, deacon, deaconess (female deacon)

Etymology
From

Noun

 * 1)  deacon