metrotomy

from The Collaborative International Dictionary of English v.0.48

Metrotomy \Me*trot"o*my\, n. [Gr. ? womb + ? to cut: cf. F.
   m['e]trotomie.] (Surg.)
   The operation of cutting into the uterus; hysterotomy; the
   Caesarean section.
   [1913 Webster]