The “Knocking on Wood” Wikipedia page mentions Roud’s conclusion, and this claim of a 19th century origin has circulated online as the final say on the matter. If you go back to the original, though, Roud’s proposal actually ends on an ambivalent note: “Before this theory [of 19th century origins] can be finally accepted, however, an examination of the history of European forms of this custom would be advisable.”
1L Qwen3, d=3, 4h/1kv, hd=2
。关于这个话题，旺商聊官方下载提供了深入分析
ITmedia �r�W�l�X�I�����C���ҏW�������삷���������[���}�K�W���ł�
Javier Milei’s boosters say law will revive employment, but critics decry cuts to severance and longer working hours