abyssalbenthic
adjective
abys·sal·benthic
ə¦bisəl + ¦-
variants or less commonly abyssobenthic
ə¦bi(ˌ)sō + ¦-
: of, relating to, or occurring on the sea bottom of the abyssal zone
Word History
Etymology
abyssal or abyss + -o- + benthic
First Known Use
1942, in the meaning defined above