בְּרַגְלַ֖יִם תֵּֽרָמַ֑סְנָה עֲטֶ֥רֶת גֵּא֖וּת שִׁכּוֹרֵ֥י אֶפְרָֽיִם׃
The crown of pride of the drunkards of Ephraim Shall be trodden under foot;
Ibn Ezra on Isaiah
עטרת Crown. Singular form but plural sense; there are many instances of this usage.
בְּרַגְלַ֖יִם תֵּֽרָמַ֑סְנָה עֲטֶ֥רֶת גֵּא֖וּת שִׁכּוֹרֵ֥י אֶפְרָֽיִם׃
The crown of pride of the drunkards of Ephraim Shall be trodden under foot;