- Original: ὀνικός - Transliteration: Onikos - Phonetic: on-ik-os' - Definition: 1. of or for an ass, turned by an ass a. these beasts were often employed to turn millstones - Origin: from G3688 - TDNT entry: None - Part(s) of speech: Adjective - Strong's: From G3688 ; belonging to an ass that is large (so as to be turned by an ass): - millstone.