The hardest word in the Lord's Prayer — and found NOWHERE else in Greek literature (Origen said the evangelists appear to have coined it). Likely from epienai, 'the coming day': bread FOR THE DAY AHEAD, asked for today (Matthew 6:11) — the manna rhythm. KJV 'daily'; Douay, translating the Vulgate literally, prints the shelf's strangest word: 'supersubstantial bread.' → first discussed at Matt 6:11