Reference for Psalms 129:3

עַל־גַּ֭בִּי חָרְשׁ֣וּ חֹרְשִׁ֑ים הֶ֝אֱרִ֗יכוּ למענותם [לְמַעֲנִיתָֽם׃]

The plowers plowed upon my back; They made long their furrows.