Word Origin & History
amniotic
1822, from Mod.L. amnion, from Gk., "membrane around a fetus," originally "bowl in which the blood of victims was caught," from ame "bucket." Amniocentesis is 1958, Mod.L., from amnion + centesis "surgical puncture," from Gk. kentesis "a pricking," from kentein "to prick," related to kontos "pole."