mittelschmerz
/ˈmɪtlˌʃmɛːts/ /ˈmɪtlˌʃməːts/(also Mittelschmerz, mittelschmertz) Medicine
noun
Lower abdominal pain occurring in the middle of the menstrual cycle in some women, thought to be related to the occurrence of ovulation.
Origin
Late 19th century; earliest use found in The Lancet. From German Mittelschmerz, lit. ‘middle pain’ from mittel + Schmerz.