Ashtangasamgraha 28.69

28.69

hṛṣṭe meḍhre sthite carjju śanaiḥ srotoviśuddhaye |

mālatīpuṣpavṛntāgrapariṇāhāṃ ghanāmṛjum ||

daśamūlabalārāsnāmadhukaistriphalairyutam ||

When the penis is erect and held straight, in order to cleanse the passage,
[using a probe] having the thickness of the tip of a jasmine flower stalk, solid, straight,
combined with Daśamūla, balā, rāsnā, madhuka, and Triphalā;