- Original: ἐπιούσιος - Transliteration: Epiousios - Phonetic: ep-ee-oo'-see-os - Definition: 1. word found in the phrase a. the bread of our necessity b. the bread that suffices for each day - Origin: perhaps from the same as G1966 - TDNT entry: 11:50,2 - Part(s) of speech: Adjective - Strong's: Perhaps from the same as G1966 ; to-morrow's; but more probably from G1909 and a derivative of the present participle feminine of G1510 ; for subsistence that is needful: - daily.