Earliest exact patristic citation catalogued here
c. AD 370 — Basil of Caesarea, Homily on Fasting 1.9, directly quotes the prayer-and-fasting form.
Earliest surviving Greek support: Late fourth–early fifth century — Codex Bezae (D); fifth century — Codex Ephraemi (C). P45 is deficient at this unit and is not counted on either side.
