Read Isaiah 6:13 Using Other Translations
But yet in it shall be a tenth, and it shall return, and shall be eaten: as a teil tree, and as an oak, whose substance is in them, when they cast their leaves: so the holy seed shall be the substance thereof.
And though a tenth remain in it, it will be burned again, like a terebinth or an oak, whose stump remains when it is felled." The holy seed is its stump.
If even a tenth—a remnant—survive, it will be invaded again and burned. But as a terebinth or oak tree leaves a stump when it is cut down, so Israel’s stump will be a holy seed.”