detumesce means to leave the erect, sexually aroused state. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
detumesce is pronounced /diːtjuːˈmɛs/.
Etymology
From de- + tumesce.
verb
- To leave the erect, sexually aroused state.
- To lose one's sexual arousal: to experience the detumescence of one's sexual organs.
- To cause (a person) to detumesce: to induce detumescence.