What is the X in X-mas?
c.1300, from Old French desmembrer (11c.), from Medieval Latin dismembrare "tear limb from limb; castrate," from Latin de- "take away" + membrum "limb" (see member). Related: Dismembered; dismembering.
dismember dis·mem·ber (dĭs-měm'bər)
v. dis·mem·bered, dis·mem·ber·ing, dis·mem·bers
To amputate a limb or a part of a limb.