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

Howbeit this kind goeth not out but by prayer and fasting.
Matthew 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

Release here joins two movements: attention turns toward God in prayer while ordinary appetite is set aside in fasting.

Some forces do not leave through a command alone; this verse joins their departure to prayer and fasting. What holds a person goes out as attention is directed toward God and food is withheld.

WHAT THIS UNDOES

The lie this undoes is that every force yields to a command alone.

νηστείᾳ

nēsteia

GROWS FROM

νηστ-

nēst-

Abstaining from food; not eating.

Fasting is a deliberate absence of food, not something added. Beside prayer, it makes release a paired movement: an appeal directed toward God and an appetite set aside.

ALSO GROWS

nēsteia: A fast or abstinence from food.

νηστεία

This is the word used in the verse; its concrete sense keeps fasting tied to food.

nēsteuō: To fast or abstain from food.

νηστεύω

The related verb names the act behind the practice, showing that fasting is a chosen withholding.

προσευχῇ

proseuchē

GROWS FROM

εὐχή

euchē

A wish, vow, or prayer; with ⁨πρός⁩ (pros), an appeal directed toward.

Prayer carries the sense of a directed appeal, not merely private thought. Beside fasting, it gives the verse both an orientation toward God and a setting aside of appetite.

ALSO GROWS

euchē: A wish, vow, or prayer.

εὐχή

This is the core word within proseuchē and reveals the appeal carried by prayer.

proseuchomai: To pray, to make an appeal toward God.

προσεύχομαι

The related verb makes the direction of prayer explicit.

ἐκπορεύεται

ekporeuetai

GROWS FROM

πορεύομαι

poreuomai

To go, travel, or proceed; with ⁨ἐκ⁩ (ek), to go out or come forth.

“goeth out” in this verse is ekporeuetai. The verse pictures departure: the force comes out from the person. The wording leaves the emphasis on release, while prayer and fasting name the way this departure occurs.

ALSO GROWS

poreuomai: To go, travel, or proceed.

πορεύομαι

This is the base movement inside the verse’s word for going out.

poreia: A journey or course of travel.

πορεία

This related noun keeps the root’s sense of movement in view: what is held within takes a course outward.

Release is joined to a reorientation of attention and appetite.

Is not this the fast that I have chosen? to loose the bands of wickedness, to undo the heavy burdens, and to let the oppressed go free, and that ye break every yoke?
Isaiah 58:6 · KJVFasting is joined directly to loosening what binds and letting the oppressed go free.
But thou, when thou prayest, enter into thy closet, and when thou hast shut thy door, pray to thy Father which is in secret; and thy Father which seeth in secret shall reward thee openly.
Matthew 6:6 · KJVPrayer turns attention toward the Father in the hidden place.
As they ministered to the Lord, and fasted, the Holy Ghost said, Separate me Barnabas and Saul for the work whereunto I have called them.
Acts 13:2 · KJVFasting is paired with turning attention toward God and receiving direction.
And he said unto them, This kind can come forth by nothing, but by prayer and fasting.
Mark 9:29 · KJV

Mark uses “come forth” for the same departure Matthew calls “goeth out,” making the movement from within to without explicit. The repeated pairing of prayer and fasting shows that release is linked to both directed appeal and abstention.

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Matthew 17:21 KJV Meaning: Release here joins two movements