erethism
Concise Oxford English Dictionary © 2008 Oxford University Press:
erethism /ˈɛrɪθɪz(ə)m/
▶noun
- 1 excessive sensitivity to stimulation of a part of the body, especially the sexual organs.
- 2 a state of abnormal mental excitement or irritation.
– origin C19: from Fr. éréthisme, from Gk erethismos, from erethizein ‘irritate’.
'erethism' also found in these Oxford entries:

