- abyssopelagic
[abyssopelagic 词源字典]
- "Designating a region of the open water of seas and oceans which is at great depth but away from the sea floor; (of an organism) living in such a region", Mid 19th cent. From post-classical Latin abyssus abyss + -o- + pelagic.[abyssopelagic etymology, abyssopelagic origin, 英语词源]