Ibn Ezra on Isaiah
They shall not drink wine with a song, for the strong drink shall be bitter. יֵמַר is according to my opinion15The grammarian, R. Jonah, is of opinion that יֵמַר is Kal; therefore I. E. adds, according to my opinion. a verb ע״ע—comp. וָאֵקַל And I was despised (Gen. 16:5)—Niphal of מרר