The Messiah would be from everlasting to everlasting.
OT Prophecy NT Fulfillment
Proverbs 8:22–23
[22] The LORD possessed me in the beginning of his way, before his works of old.
[23] I was set up from everlasting, from the beginning, or ever the earth was.
John 17:5
And now, O Father, glorify thou me with thine own self with the glory which I had with thee before the world was.
Tanakh – Ketuvim – Proverbs 8:22–23
[22] HaShem made me as the beginning of His way, the first of His works of old.
[23] I was set up from everlasting, from the beginning, or ever the earth was.
Hebrew OT – Proverbs 8:22–23
[8:22] יְהוָה קָנָנִי רֵאשִׁית דַּרְכּוֹ קֶדֶם מִפְעָלָיו מֵאָז
[8:23] מֵעוֹלָם נִסַּכְתִּי מֵרֹאשׁ מִקַּדְמֵי־אָרֶץ