ἐπιούσιος

Etymology
. Ultimately either from or from. Possible etymologies include:
 * 1) From the phrase, essentially breaking down into , where  is the  the  (“follow, come after”) from.
 * 2) From the phrase, essentially breaking down into , where  is the , the  (“be”).
 * 3) From, cognate with  from , the  (“remain, be left over”) from , but a separate Koine innovation of the roots to explain why the iota of  was not dropped.

Not attested outside of the Lord's Prayer in Matthew 6:11 and Luke 11:3, in the phrase, traditionally rendered as "our daily bread".

Adjective

 * 1) for tomorrow, for the future (for possible etymology #1)
 * 2) daily, sufficient for the day (for possible etymology #2)
 * 3) essential, necessary, supersubstantial (for possible etymology #3)
 * 1) essential, necessary, supersubstantial (for possible etymology #3)