Tafsiran Yesaya 33:9: Rashi & Ibn Ezra

mourns (אָבֵל) an expression of mourning.

אבל אמללה ארץ The earth mourneth and languisheth. ארץ is sometimes used as a masculine noun; comp. 9:18. This phrase⁹אבל אמללה ארץ both אבל as well as אמללה are predicates to ארץ; nevertheless the first is masculine, the second feminine. overthrows the rule laid down by R. Moses Hakkohen (Job 20:26), that words which can be used both as masculine and feminine nouns, cannot be joined with a feminine attribute, after having been joined with a masculine one in the same phrase.

it was cut off Dried and cut off.

became (הָיָה, lit. was.) This is the past tense.

the Sharon The name of a region of pasture for animals, as we learned (Men. 87a): Rams from Moab, calves from Sharon.

like the plain a ruin.

have become emptied (וְנֹעֵר) An expression of shaking out. Comp. (Ex. 14:27): “And the Lord shook (וַיְנַעֵר).”