abysm
/əˈbɪzəm/noun
- poetic/literary an abyss〈诗/文〉深渊：
the abysm from which nightmares crawl.
噩梦连连的深渊。
词源
Middle English: from Old French abisme, medieval Latin abysmus, alteration of late Latin abyssus 'bottomless pit', the ending being assimilated to the Greek ending -ismos.