וְחָלַ֤ף בִּֽיהוּדָה֙ שָׁטַ֣ף וְעָבַ֔ר עַד־צַוָּ֖אר יַגִּ֑יעַ וְהָיָה֙ מֻטּ֣וֹת כְּנָפָ֔יו מְלֹ֥א רֹֽחַב־אַרְצְךָ֖ עִמָּ֥נוּ אֵֽל׃ (ס)
און ער װעט דורכציִען דורך יהוּדה, פֿלײצנדיק װעט ער דורכשטראָמען, ביזן האַלדז װעט ער גרײכן, און די שפּרײטונגען פֿון זײַנע פֿליגלעןװעלן אָנפֿילן די ברײט פֿון דײַן לאַנד, עִמָנוּאֵל!
Ibn Ezra
Immanuel. He is mentioned here because he is to serve as a sign that Jerusalem will be delivered out of the hand of Pekah, Rezin and Sennacherib, even after the conquest of Damascus and Samaria.16The Assyrian armies could then march directly against Jerusalem, and their success was considered certain.
Rashi
up to the neck up to the main part of the strength of their neck. And Jonathan renders: Up to Jerusalem he will reach. the neck their strength.
Rashi
the tips of his wings A small joint at the end of the wing is called מֻטּוֹת, and I saw in Tanhuma (Tazria 8, Buber 10): How big are the wing tips of the rooster? [One sixtieth of his wings, symbolizing] one sixtieth of Sennacherib’s forces.
Rashi
Immanuel This is the tribe of Judah, whom the Holy One, blessed be He, promised to be with in the days of Hezekiah, as the words of the prophetess, who named her son Immanuel.