Reference for Lamentations 5:16

נָֽפְלָה֙ עֲטֶ֣רֶת רֹאשֵׁ֔נוּ אֽוֹי־נָ֥א לָ֖נוּ כִּ֥י חָטָֽאנוּ׃

The crown is fallen from our head; Woe unto us! for we have sinned.