linguistic:voice_change
Etymology

The English noun "prophecy", in the sense of "function of a prophet" appeared from about 1225, from Old French profecie (12th century), and from prophetia, Greek propheteia "gift of interpreting the will of God", from Greek prophetes (see prophet). The related meaning, "thing spoken or written by a prophet", dates from c. 1300, while the verb "to prophesy" is recorded by 1377.