In a nut shell, that is what I am suggesting. Below is a list of verse references where God promised to Abraham that he and his descendants would inherit the earth some time in their future: -
The Hebrew Root word, H:0776 is אָ֫רֶץ and the transliterated word is erets and this Hebrew Root is found embedded in 2503 word in the Old testament in possibly around 64 different Hebrew word variations.
In regards to the promised inheritance of the whole earth, the Hebrew Transliterated Word is hā·’ā·reṣ and it, according to Bible Hub, is found 934 times in the Old Testament. It is first found in Genesis 1:1 and is translated into English using the word “Earth.”
Gen 1:1 הָאָֽרֶץ In the beginning God created the heavens and the earth.
Concerning the occurrences of hā·’ā·reṣ with respect to Abraham’s Story, the following is a list of verses where this Hebrew Transliterated word is found in the Book of Genesis at the respective refgiven verse references: -
12:1 הָאָ֖רֶץ Now the Lord had said to Abram:
"Get out of your country,
From your family
And from your father's house,
To a land that I will show you.
12:7 הָאָ֣רֶץ Then the Lord appeared to Abram and said, "To your descendants I will give this land." And there he built an altar to the Lord, who had appeared to him.
13:6 הָאָ֖רֶץ Now the land was not able to support them, that they might dwell together, for their possessions were so great that they could not dwell together.
13:9 הָאָ֙רֶץ֙ Is not the whole land before you? Please separate from me. If you take the left, then I will go to the right; or, if you go to the right, then I will go to the left."
13:15 הָאָ֛רֶץ for all the land which you see I give to you and your descendants forever.
13:16 הָאָ֑רֶץ And I will make your descendants as the dust of the earth; so that if a man could number the dust of the earth, then your descendants also could be numbered.
13:16 הָאָ֑רֶץ And I will make your descendants as the dust of the earth; so that if a man could number the dust of the earth, then your descendants also could be numbered.
15:7 הָאָ֥רֶץ Then He said to him, "I am the Lord, who brought you out of Ur of the Chaldeans, to give you this land to inherit it."
15:18 הָאָ֣רֶץ On the same day the Lord made a covenant with Abram, saying:
"To your descendants I have given this land, from the river of Egypt to the great river, the River Euphrates —
18:18 הָאָֽרֶץ since Abraham shall surely become a great and mighty nation, and all the nations of the earth shall be blessed in him?
18:25 הָאָ֔רֶץ Far be it from You to do such a thing as this, to slay the righteous with the wicked, so that the righteous should be as the wicked; far be it from You! Shall not the Judge of all the earth do right?"
19:23 הָאָ֑רֶץ The sun had risen upon the earth when Lot entered Zoar.
19:28 הָאָ֔רֶץ Then he looked toward Sodom and Gomorrah, and toward all the land of the plain; and he saw, and behold, the smoke of the land which went up like the smoke of a furnace.
19:31 הָאָֽרֶץ Now the firstborn said to the younger, "Our father is old, and there is no man on the earth to come in to us as is the custom of all the earth.
21:23 הָאָ֖רֶץ Now therefore, swear to me by God that you will not deal falsely with me, with my offspring, or with my posterity; but that according to the kindness that I have done to you, you will do to me and to the land in which you have dwelt.
22:18 הָאָ֑רֶץ In your seed all the nations of the earth shall be blessed, because you have obeyed My voice.
If you consider Genesis 15, then we can discern that Abraham questioned God as to how he would know that at some time in the future he and his descendants would inherit the whole earth.
God’s response was to enter into a Solemn Sign Covenant where God promised to Abraham that his descendants would hold possession for a time, the land which Abraham had seen, during his lifetime to confirm that his promised inheritance of the whole earth would come true. This area of the Middle East that Abraham had seen and walked across stretched from the River Euphrates to the Nile River. This was the land that Solomon ruled over for a time and collected tribute from the people who lived in the defined land in Genesis 15:17-21. The fulfilment of this sign covenant, when recognised as the fulfilment of the Solemn Sign Covenant, was meant to put at ease the descendant s of Abraham, that at some time in the future, at a time which seems to vanish in the distant of time as it is passing, and it has been outside of their understanding of how God works His wonders.