What Does Genesis 17:21 Mean in the King James?

But my covenant will I establish with Isaac, which Sarah shall bear unto thee at this set time in the next year.
Genesis 17:21 · KJV
The analysis reads the King James wording.

King James Version The King James Version, first published in 1611. Selah Verse shows the standard text.

This verse in the Selah Decoded Version

The covenant is given a name, a lineage, and a date: Isaac, Sarah’s son, at the appointed time.

The covenant’s promise takes form in a particular life and at an appointed time. Isaac’s name carries laughter within the promise, joining what seems beyond reach to a future Sarah bears.

WHAT THIS UNDOES

The promise does not end with the person who first receives it; here it continues through Isaac.

מוֹעֵד

moʿed

GROWS FROM

יעד

y-ʿ-d

To appoint or designate; ⁨מוֹעֵד⁩ means an appointed time or meeting.

“set time” in this verse is moʿed. The verse names more than a date: it uses a word for an appointed time, one that can also describe a meeting. The birth is set within a specific appointment, not left as an undefined possibility.

ALSO GROWS

yaʿad: to appoint, designate

יָעַד

This verb shows the appointed time as something marked out.

moʿadim: appointed times, appointed gatherings

מוֹעֲדִים

The plural form carries the same sense of time set aside for a meeting or event.

יִצְחָק

Yitzḥaq

GROWS FROM

צחק

ṣ-ḥ-q

To laugh.

Isaac’s name grows from the Hebrew word for laughter. The promise is carried in a name that keeps laughter inside the future Sarah will bear.

ALSO GROWS

vattitsḥaq: and she laughed

וַתִּצְחַק

Sarah’s laugh in Genesis 18:12 echoes the root carried in Isaac’s name.

tseḥoq: laughter

צְחוֹק

The noun makes explicit the sound and response held in the child’s name.

אָקִים

ʾaqim

GROWS FROM

קום

q-w-m

To rise or stand; in a causative form, to raise or establish.

The verb translated “establish” comes from a root of rising and standing. The covenant is made to stand with Isaac, continuing through the life named in the verse.

ALSO GROWS

qam: he rose, stood

קָם

The basic form gives “establish” its sense of standing firm.

heqim: he raised, set up, established

הֵקִים

This causative form shows how the root extends from standing to making something stand.

Fulfillment has an appointed time; what is promised takes form when that time arrives.

For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.
Genesis 21:2 · KJVThe appointed time named in the promise arrives in Sarah’s bearing Isaac.
For the vision is yet for an appointed time, but at the end it shall speak, and not lie: though it tarry, wait for it; because it will surely come, it will not tarry.
Habakkuk 2:3 · KJVThe vision has a marked time when what was promised becomes visible.
But when the fulness of the time was come, God sent forth his Son, made of a woman, made under the law,
Galatians 4:4 · KJVThe promise takes form through a birth when its appointed time arrives.
Is any thing too hard for the LORD? At the time appointed I will return unto thee, according to the time of life, and Sarah shall have a son.
Genesis 18:14 · KJV

“At the time appointed” repeats the Hebrew word ⁨מוֹעֵד⁩ (moʿed), the appointed time named in Genesis 17:21. This verse makes the appointment explicit and ties it directly to Sarah bearing a son.

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Genesis 17:21 KJV Meaning: The covenant is given a name