15 The first person pronoun (“I”), which seems to shift the subject too abruptly, becomes 3rd person masculine singular (“he”) in the (הִכְרִית, hikhrit, presupposed for הִכְרַתִּי, hikhratti). However, the Lord is the subject of v. 8, which speaks of his protection of Jerusalem, so it is not surprising that he is the subject in v. 10 as well. Heb “cut off” (so , ; also later in this verse); “banish”; , “take away.”
16 Heb “the river.” The Hebrew expression typically refers to the Euphrates, so the referent has been specified in the translation for clarity.

In other versions

I will cut off the chariot from Ephraim

and the war horse from Jerusalem;

and the battle bow shall be cut off,

and he shall speak peace to the nations;

his rule shall be from sea to sea,

and from the River to the ends of the earth.

I will take away the chariots from Ephraim

and the warhorses from Jerusalem,

and the battle bow will be broken.

He will proclaim peace to the nations.

His rule will extend from sea to sea

and from the River to the ends of the earth.

I will cut off the chariot from Ephraim

and the horse from Jerusalem.

The bow of war will be removed,

and he will proclaim peace to the nations.

His dominion will extend from sea to sea,

from the Euphrates River

to the ends of the earth.

I will remove the battle chariots from Israel

and the warhorses from Jerusalem.

I will destroy all the weapons used in battle,

and your king will bring peace to the nations.

His realm will stretch from sea to sea

and from the Euphrates River to the ends of the earth.

And I will cut off the chariot from Ephraim,

and the horse from Jerusalem;

the battle bow will be cut down,

and he will announce peace to the nations.

His dominion will be from sea to sea,

and from the River to the ends of the earth.

And I will cut off the chariot from Ephraim,

And the horse from Jerusalem,

And the battle bow shall be cut off:

And he shall speak peace unto the heathen:

And his dominion shall be from sea even to sea,

And from the river even to the ends of the earth.

Public Domain