Question

abysm
a.bysm  AHD[…-b¹z“…m]   DJ[*6b!z*m]  KK[*6b!z*m]
n.（名词）
    An abyss.
    深渊，地狱
ORIGIN
1.Middle Englishabime
    中古英语abime
2.from Old Frenchabisme
    源自 古法语abisme
3.from Vulgar Latin*abissimus
    源自 俗拉丁语*abissimus
4.alteration of Late Latinabyssus * see  abyss
    后期拉丁语abyssus的变化 *参见abyss