Jacob of Serug, in the hymn "ḥawa ba-‘den," identifies Jesus with the Ancient of Days in the book of Daniel.
Jacob of Serugh, “ḥawa ba-‘den,” in The Stanzaic Poems of Jacob of Serugh: A Collection of His Madroshe and Sughyotho (trans. Sebastian P. Brock; Texts from Christian Late Antiquity 72; Piscataway, N.J. Gorgias Press, 2022), 204
9 A hidden mystery belonging to God came out into the open by means of the Watcher who had been sent: in the New proclamation, through the mouth of the fiery being; through the tongue of flame, hidden things were uttered.
10 That chief of all the angels gave salutation to the young girl, for the Father, reconciled with the race of Adam, had send His beloved Son to appear form a womb, in human form
11 ‘Peace be with you, O Daughter of humanity, for you have been chosen by God as a bride, so that you may become, in your virginity, mother to His beloved, and give birth to the Ancient of Days who will repair the damage done to the world.
12 Peace be with you, mother of the Painter who portrayed Adam and Eve of old, who depicts infants in the womb of their mothers; He has come to depict Himself in you, as an infant companion in the womb.
13 ‘Salutation to you, filled with grace, my Lord is with you, O Palace of the Most High, in you shall the King, the Lord of angels, reside, and form you there shall shine forth the Saviour for all creation and all generations’.