ל הִנֵּה יָמִים בָּאִים, נְאֻם-יְהוָה; וְכָרַתִּי, אֶת-בֵּית יִשְׂרָאֵל וְאֶת-בֵּית יְהוּדָה--בְּרִית חֲדָשָׁה.
châdash, khaw-dash'; a primitive root; to be new; causatively, to rebuild:—renew, repair.
Brown-Driver-Briggs Lexicon [?] (Jump to Scripture Index)
STRONGS H2318:
† [חָדַשׁ] verb only Pi. (and Hithp.) renew, repair (in poetry and late) (Late Hebrew id., Phoenician חדש; noun חדש new moon, also in קרתחדשת new-city£½Carthage; Aramaic Tedfo and חַדֵּשׁ; Arabic حَدَثَ be new, Ethiopic ሐደለ፡ I. 2. renew; Sabean החדתֿ, see Os (Levy): ZMG 1865, 204 MordtZMG 1876, 30; Assyrian [adâڑu], uddiڑ, renew, eڑڑu, new, etc. DlW 199 ff.) —
Pi. Perfect וְחִדְּשׁוּ consecutive Isaiah 61:4; Imperfect וַיְחַדֵּשׁ 2 Chronicles 15:8; 2nd person masculine singular תְּחַדֵּשׁ Job 10:17; Psalm 104:30; וּנְחַדֵּשׁ 1 Samuel 11:14; Imperative חַדֵּשׁ Psalm 51:21; Infinitive לְחַדֵּשׁ 2 Chronicles 24:4, 12; —
1. renew, make anew הַמְּלוּכָה 1 Samuel 11:14 (editorial); פני אדמה Psalm 104:30, רוּחַ Psalm 51:12 (|| בּרא); = bring back יָמֵינוּ כְּקֶדֶם Lamentations 5:21; עדיך ח׳ Job 10:17 i.e. bringest fresh (new) witnesses.
(CLV) Ezk 37:21
speak to them, Thus says my Lord Yahweh: Behold, I shall take the sons of Israel from among the nations where they have gone, and I will convene them from all around and bring them to their own ground.
(CLV) Ezk 37:22
I will make them one nation in the land, on the mountains of Israel, and one king shall be king for them all. They shall no longer be two nations, nor shall they be divided into two kingdoms any longer.
(CLV) Hb 8:8
For, blaming them, He is saying, "Lo! the days are coming~," the Lord is saying, "And I shall be concluding with the house of Israel and with the house of Judah a new (καινην, Kainos) covenant,
Kainos, not Neos
G3501 néos – new ("new on the scene"); recently revealed or "what was not there before" (TDNT), including what is recently discovered.
G3501 /néos ("new on the scene") suggests something "new in time" – in contrast to its near-synonym (2537 /kainós, "new in quality").
Oh, and BTW, the Sons of Zadok, who YHWH bestowed authority to settle all disputes regarding scripture, renewed their covenant every year at Passover. Why do you suppose that YHWH told us to honor his Passover forever?