erotogenesis

noun
ero·​to·​gen·​e·​sis | \ i-ˌrōt-ə-ˈjen-ə-səs How to pronounce erotogenesis (audio) , -ˌrät- How to pronounce erotogenesis (audio) \
plural erotogeneses\ -​ˌsēz How to pronounce erotogeneses (audio) \

Medical Definition of erotogenesis

: arousal of sexual feeling