וַיְגַ֕ל אֵ֖ת מָסַ֣ךְ יְהוּדָ֑ה וַתַּבֵּט֙ בַּיּ֣וֹם הַה֔וּא אֶל־נֶ֖שֶׁק בֵּ֥ית הַיָּֽעַר׃
И обнажилось покрытие Иудейское, чтобы ты смотрел в тот день на доспехи в доме лесу.
Ibn Ezra
And he discovered, etc. The veil was already taken away from the eyes of Judah, when the enemy was approaching; they saw immediately that they had no strength to resist. The third person ויגל, And he discovered might also be referred to God.10According to the first explanation, the enemy is the subject; the enemy, by his approach, opened the eyes of Judah, and made them discover their weakness.
Rashi
the covert of Judah That is the Temple, which shielded, protected, and covered them.
Rashi
to the weapons of the house of the forest They are the three hundred shields and two hundred body shields that Solomon made, and the king placed them in the house of the forest of Lebanon (I Kings 10:16).