FROM STRONG’S GREEK DICTIONARY (1890)

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

euonumos εὐώνυμος — yoo-o'-noo-mos — from 2095 and 3686; properly, well-named (good-omened), i.e. the left (which was the lucky side among the pagan Greeks); neuter as adverbial, at the left hand:--(on the) left.

see GREEK for 2095

see GREEK for 3686