Isaiah 31:8

“Then Assyria will fall, but not by the sword of man; a sword will devour them, but not one made by mortals. They will flee before the sword, and their young men will be put to forced labor.
BSB · Berean Standard Bible
Then shall the Assyrian fall with the sword, not of a mighty man; and the sword, not of a mean man, shall devour him: but he shall flee from the sword, and his young men shall be discomfited.

Note from: or, for fear of

Note discomfited: or, tributary: Heb. for melting, or, tribute

KJV · King James Version
“The Assyrian will fall by the sword, not of man; and the sword, not of mankind, shall devour him. He will flee from the sword, and his young men will become subject to forced labor.
WEB · World English Bible
And the Assyrian shall fall by the sword, not of man; and the sword, not of men, shall devour him; and he shall flee from the sword, and his young men shall become subject to taskwork.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

shall the
Isaiah 10:16–19, 33, 34; Isaiah 14:25; Isaiah 29:5; Isaiah 30:27–33; Isaiah 37:35; 2 Kings 19:34–37; 2 Chronicles 32:21; Hosea 1:7
he shall flee
Isaiah 37:37, 38