Originates from Han Yu's Tang-dynasty essay 《
柳子厚墓志铭》:
议论证据今古,出入经史百子,踔厉风发 describing Liu Zongyuan's sharp debating mind. It returned to wide use after a 2022 political report, after which it spread through state media. Named a 2022 Top 10 buzzword by 《
咬文嚼字》.