1745, from Medical Latin, from Greek stasis "a standing still," related to statos "placed," verbal adjective of histemi "cause to stand," from PIE root *sta- "to stand" (see stet).
stasis sta·sis (stā'sĭs, stās'ĭs)
n. pl. sta·ses (stā'sēz, stās'ēz)
Stoppage of the normal flow of a body substance, as of blood through an artery or of intestinal contents through the bowels.