ob·sti·pa·tion \ˌ ̷ ̷ ̷ ̷ˈpāshən\noun (-s) Etymology: Late Latin obstipation-, obstipatio close pressure, from Latin ob- + stipare to press together + -ion-, -io -ion — more at stiff : blockage < obstipation of a body passage > specifically: severe and obstinate constipation