Ever wondered where terms that describe a woman’s reproductive organs came from? I do. Most of this information came from searching dictionary.com

Pelvis –Nice simple etymology: Pelvis is the Latin word for a basin , which the anatomic pelvis resembles – somewhat.

sacral
1767, in anatomy, from Mod.L. sacralis, from sacrum, the bone (see sacrum). In anthropology, from 1882, from L. sacrum “sacred thing, rite” (see sacred).

Vulva – Vulva is the Latin word for a wrapper. It was also used to mean the uterus, a kind of wrapper for an embryo or fetus. Subsequently it came to have its present meaning, the female external genitalia.

Vagina – The basic meaning of the Latin word vagina was a sheath – or scabbard for a sword. By association, Gladius (sword) was a common term for the penis.

Clitoris – is borrowed directly from kleitoris, a Greek word for both a door-tender and the female organ. This is thought to relate to kleis, a key, by which one gains entrance through a door.

Cervix 1741, from L. cervix, lit. “the neck, nape of the neck.” Applied to various neck-like structures of the body, especially that of the uterus. Cervical is attested from 1680s, from Fr. cervical, from L. cervix.

fornix
1680s, from L. fornix “arch, vaulted chamber” (see fornication).

fundus
from L. fundus “bottom” (see fund (n.)).

endometrium
1882, medical Latin, from endo- + Gk. metra “uterus,” related to meter (see mother).

menses
“monthly discharge of blood from the uterus,” 1590s, from L. menses, pl. of mensis “month” (see moon).

Uterus 1610s, from L. uterus “womb, belly” (pl. uteri)