erogenesis
/ɛrəˈdʒɛnɛsɪs/Definitions
1. noun
The origin of an erection, especially of the penis.
“The study of male arousal and erogenesis is an area of ongoing research in the field of urology.”
2. noun
The process by which an erection is achieved.
“Understanding the mechanisms of erogenesis is crucial for the development of treatments for erectile dysfunction.”