marsupial
The origin and history of marsupial.
Etymology
Comes from Latin marsupium, marsuppium (“pouch, purse”), from Ancient Greek μαρσύπιον (marsúpion) or μαρσύππιον (marsúppion), variant forms of μαρσίππιον (marsíppion), itself a diminutive of μάρσιππος (mársippos, “bag, pouch”), with the English suffix -al added.