Go to a deeper level in water (4)
I believe the answer is:
dive
(Other definitions for dive that I've seen before include "Plummet" , "Jump into water" , "Low establishment" , "Submarine captain's command" , "Joint" .)
I believe the answer is:
dive
(Other definitions for dive that I've seen before include "Plummet" , "Jump into water" , "Low establishment" , "Submarine captain's command" , "Joint" .)