peri- +
(Greek: around, about, near, enclosing, surrounding; more often used as a prefix)
vaginoperineotomy
Division of the posterior aspect of the vagina and adjacent portion of the perineum to facilitate childbirth.
visceroperitoneal
Pertaining to the viscera and the peritoneum (the serous membrane lining the abdominopelvic walls).
Related "around, round, surrounding" units:
ambi-;
ampho-;
circ-;
circum-;
cyclo-, -cycle;
gyro-.