וַאֲנִ֥י כָעָ֖שׁ לְאֶפְרָ֑יִם וְכָרָקָ֖ב לְבֵ֥ית יְהוּדָֽה׃
Therefore am I unto Ephraim as a moth, And to the house of Judah as rottenness.
Rashi on Hosea
and like decay A worm which eats the wood and pulverizes it.
וַאֲנִ֥י כָעָ֖שׁ לְאֶפְרָ֑יִם וְכָרָקָ֖ב לְבֵ֥ית יְהוּדָֽה׃
Therefore am I unto Ephraim as a moth, And to the house of Judah as rottenness.