Literally meaning: “around evacuated region”
Origin: Anc Greek
>περί-/peri-(=around) + ινέω/ineo(=evacuate)
+( -um) =latin suffix that forms singular nouns
by Greek phycisian Galen of Pergamon (130–200 AD) who stated the difference between men and women is that the partys in women are within , whereas in men they are outside, in the region called perineum.
The perineum is the region of the body inferior to the pelvic diaphragm and between the legs (between the anus and the external genitalia).