The story
From New Latin, from Ancient Greek αἷμα (haîma, “blood”) + κόλπος (kólpos, “any hollow space; womb”); essentially equivalent to a surface analysis of hemato- + colp- + -us.
Etymology from Wiktionary, CC BY-SA 4.0.
hematocolpos
Today it means: A medical condition in which the vagina fills with menstrual blood, often caused by the combination of menstruation with an imperforate hymen. Full definition →