It refers to the leaves of Acorus calamus, which is named after it looks like a sword (1). It refers to the leaves of Acorus calamus, slender as a sword. Tang Li Xian used "Pushing the Spring Forest and Singing Elegant": "Liu Mei weeping willows low, and Pu Jian is beginning to smoke." Zhao Jin bingwen's "Reunion of Nine Days Meeting and Pavilion Meeting": "Frost withered sword, rain cracked lotus clothes." (2) refer to Pu as a sword. During the Dragon Boat Festival, people will hang old customs on their doors to ward off evil spirits. Qing Fu Cha Dunchong's "Yanjing Year, Acorus calamus Dwarf": "Putting Acorus calamus and Dwarf by the door at noon is an ominous sign, and it is also the legacy of Ai Hu Park Jian."
Word decomposition
Interpretation of Pu Pu → Perennial herb, which grows in ponds and is nearly two meters high. Roots grow in the mud and can be eaten. The leaves are long and sharp, which can be used to make summer sleeping mats and fans. In summer, the yellow flower (also called cattail) is cattail pollen. Pubang Pu Cao Pu Rong Pu Fan refers to "Acorus calamus": Pu Jie. General month (refers to the fifth month of the lunar calendar). Explanation of Sword Sword (Sword) An ancient weapon: sword. Long sword. Sheath. Fencing. If you are nervous, you will be nervous (describing a tense situation that is explosive, and later referring to vigorous calligraphy). Carve a boat for a sword. Radical: xian.