What Does Genesis 15:8 Mean?
And he said, Lord GOD, by what will I know that I will take hold of it?
Key words are shown with the Hebrew or Greek and what each word meant.
Selah Decoded Version The Selah Decoded Version renders what the Hebrew and Greek words meant to the people who first heard them.
King James wording
King James Version
And he said, Lord GOD, whereby shall I know that I shall inherit it?THE KEY
The verb “know” reaches beyond information toward encounter, so the question asks how the promise becomes tangible.
THE MEANING
A promise can be trusted while its fulfillment still feels unseen. Your question asks how what is promised becomes something you can know and hold. The request keeps uncertainty and relationship in the same breath: the LORD is still the one being addressed.
THE ROOT
אֵדַע
ʾēdaʿ
GROWS FROM
ידע
To know, recognize, or perceive.
“by what will I know” in this verse is ʾēdaʿ. Yada can mean more than possessing information; it can include recognition through encounter. Its branches keep knowledge and knowing on the same seed, giving the question a reach beyond “How can I be certain?” toward “How will I recognize this as real?”
ALSO GROWS
daʿat: Knowledge, understanding
דַּעַת
This noun shows that the question about knowing belongs to a wider family of perception and understanding.
yediʿah: Knowledge, knowing
יְדִיעָה
The shared root links the act of knowing to knowledge itself, keeping the verse focused on recognition rather than mere possession of a promise.
אִירָשֶׁנָּה
ʾîrāšennāh
GROWS FROM
ירשׁ
To inherit or take possession; in causative forms, to dispossess.
“take hold of it” in this verse is ʾîrāšennāh. The root behind “inherit” can describe both taking possession and dispossessing. That makes the promised inheritance concrete: the question concerns land becoming possessed, not only an inward feeling of assurance.
ALSO GROWS
yerushah: Inheritance, possession
יְרוּשָׁה
This branch names the inheritance itself, tying the question to what is promised.
yōrēš: Heir, one who inherits
יוֹרֵשׁ
This branch names the person who receives or takes possession, bringing the question close to the one who will inherit.
THE PATTERN
When a promise reaches beyond what can be seen, a question asks for confirming knowledge or a sign.
And he said to him, If now I have found favor in your eyes, then make me a sign that you speak with me.Ask for yourself a sign from the LORD your God. Sink your asking deep, or raise it high above.And Zacharias said to the messenger, By what will I perceive this? For I am an old man, and my wife is advanced in her days.THE THREAD
And he said to him, I am the LORD who brought you out of Ur of the Chaldeans, to give you this land to take hold of it.The prior verse names the promised inheritance as land given to him, using the same ירשׁ root as “inherit” in this question. Together, the verses show that knowing concerns a promised, tangible possession, not a vague feeling of certainty.
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