What is the meaning of Ezekiel 31:15?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

This is what the Lord GOD says: ‘On the day it was brought down to Sheol, I caused mourning. I covered the deep because of it; I held back its rivers; its abundant waters were restrained. I made Lebanon mourn for it, and all the trees of the field fainted because of it.

Berean Standard Bible (BSB)

Thus says the Lord Yahweh: In the day when he went down to Sheol I caused a mourning: I covered the deep for him, and I restrained its rivers; and the great waters were stayed; and I caused Lebanon to mourn for him, and all the trees of the field fainted for him.

World English Bible (WEB)

Thus saith{H559}{(H8804)} the Lord{H136} GOD{H3069}; In the day{H3117} when he went down{H3381}{(H8800)} to the grave{H7585} I caused a mourning{H56}{(H8689)}: I covered{H3680}{(H8765)} the deep{H8415} for him, and I restrained{H4513}{(H8799)} the floods{H5104} thereof, and the great{H7227} waters{H4325} were stayed{H3607}{(H8735)}: and I caused Lebanon{H3844} to mourn{H6937}{(H8686)} for him, and all the trees{H6086} of the field{H7704} fainted{H5969} for him.

Strong's King James

The F.O.G*

The F.O.G Paraphrase

Thus said the Lord Jehovah: In the day of his going down to sheol I have caused mourning, I have covered for him the deep, and diminish its flowings, And restrained are many waters, And I make Lebanon black for him, And all trees of the field have been covered for him.

Young's Literal Translation