Underground water source (4)
I believe the answer is:
well
(Other definitions for well that I've seen before include "run" , "Waterhole; healthy" , "rise up" , "Sound" , "Skilfully" .)
I believe the answer is:
well
(Other definitions for well that I've seen before include "run" , "Waterhole; healthy" , "rise up" , "Sound" , "Skilfully" .)