Inquire deeply (5)
I believe the answer is:
delve
(Other definitions for delve that I've seen before include "Hollow" , "Intensively research (into something)" , "Dig - rummage" , "Rummage deep (in)" , "Dig - research deeply" .)
I believe the answer is:
delve
(Other definitions for delve that I've seen before include "Hollow" , "Intensively research (into something)" , "Dig - rummage" , "Rummage deep (in)" , "Dig - research deeply" .)