What Does Isaiah 19:21 Mean?

And the LORD will be known to Egypt, and Egypt will know the LORD in that day; they will serve the slaughter and the gift, and they will vow a vow to the LORD and make it whole.
Isaiah 19:21 · SDV
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.

This verse in the King James

King James wording
And the LORD shall be known to Egypt, and the Egyptians shall know the LORD in that day, and shall do sacrifice and oblation; yea, they shall vow a vow unto the LORD, and perform it.

The narrowed place itself comes to know the LORD, and that encounter takes shape as a vow brought to completion.

The place where your life feels constricted can become a place of knowing the LORD; this knowing is encounter, not distant information. The vow is spoken and fulfilled, so the verse joins recognition with committed action.

WHAT THIS UNDOES

The lie that a constricted place is cut off from knowing the LORD dissolves here: even Egypt is named as a place where the LORD becomes known.

מִצְרַיִם

Mitzrayim

GROWS FROM

צָרַר

tsarar

To be narrow or cramped, to bind, or to press into distress.

Mitzrayim carries the sense of tzar, narrowness, with its dual ending heard as the two narrows. The verse places knowing the LORD within that constriction: Egypt itself becomes a place of encounter.

ALSO GROWS

tsar: Narrow, tight, constricted

צַר

It names the compressed quality echoed in Mitzrayim.

metser: A strait or narrow place

מֵצַר

It makes the name’s image of constriction concrete, the very place where the verse says the LORD becomes known.

נוֹדַע

noda

GROWS FROM

יָדַע

yada

To know or perceive through recognition and encounter.

“will be known” in this verse is noda. The same root appears first in “shall be known” and then in “shall know,” joining the LORD’s becoming known with the Egyptians’ own recognition. Hebrew holds these as two sides of encounter, rather than reducing knowing to information.

ALSO GROWS

da'at: Knowledge or perception

דַּעַת

This noun from the same root shows knowing as a state of recognized understanding.

hodi'a: To make known or disclose

הוֹדִיעַ

This causative branch illuminates the verse’s movement from the LORD becoming known to the people knowing.

שִׁלֵּמוּ

shillemu

GROWS FROM

שָׁלֵם

shalem

To be whole or complete; to complete, repay, or make good.

“make it whole” in this verse is shillemu. The vow does not stop at being spoken: it is completed. The root links carrying out a vow with making something whole, so the encounter becomes tangible in its fulfillment.

ALSO GROWS

shalom: Wholeness or completeness

שָׁלוֹם

It shares the root’s sense of bringing something into wholeness.

shillem: To complete, pay, or make good

שִׁלֵּם

It shows how the verse’s fulfilled vow is an act brought to completion.

Knowing the LORD is relational encounter that crosses boundaries and becomes concrete in life.

I will strengthen the heart of the Great House, and he will pursue after them; I will show my weight upon the Great House and upon all his army, and the Egyptians will perceive that I am the LORD. And they did so.
Exodus 14:4 · SDVThe Egyptians come to know the LORD through what they witness, echoing Isaiah’s promise that Egypt will know him.
And they shall not teach each one his neighbor and his brother, saying, Perceive the LORD, for they shall all perceive me, from the least of them to the greatest, declares the LORD. For I will release their crookedness, and their shortcomings I will remember no more.
Jeremiah 31:34 · SDVKnowing the LORD is shared across the whole community, from the least to the greatest.
And this is the life of the ages, that they might know you, the only God of truth, and Jesus, the Anointed One, whom you have sent.
John 17:3 · SDVJesus describes life itself through knowing God and the one sent by him.
And Pharaoh said, Who is the LORD, that I should hear and respond to his voice to let Israel go? I have never known the LORD, and I will not let Israel go.
Exodus 5:2 · SDV

Pharaoh’s “I know not” uses the same yada root as Isaiah’s “shall be known” and “shall know.” Exodus couples not-knowing with refusal to release; Isaiah names Egypt as a place where knowing opens into a vow carried to completion.

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Isaiah 19:21 Meaning