marsupium

詳細解釋：

mar.su.pi.um

n.（名詞）
【複數】 mar.su.pi.a[-pô-…]
An external pouch or fold on the abdomen of most female marsupials, containing the mammary glands and in which the young continue to develop after leaving the uterus.
育兒袋：大多數有袋目動物母親腹前的袋子，內有乳腺，幼仔在離開 * 後在裡面繼續生長發育
A temporary egg pouch in various fishes and crustaceans.
（魚類和甲殼類動物的）臨時卵袋

來源：
Late Latin marsôpium [pouch]
後期拉丁語 marsôpium [袋子]
from Latin marsopium, marsuppium
源自 拉丁語 marsopium, marsuppium
from Greek marsippion, marsipion [diminutive of] marsippos, marsuppos [purse]
源自 希臘語 marsippion, marsipion [] marsippos, marsuppos的小後綴 [錢袋，袋子]
[perhaps of Iranian origin] ; akin to Avestan marsô- [belly, paunch]
[可能源於伊朗語] ；類似於 阿維斯陀語 marsô- [腹部，肚子]