What is left of engineers sat on electric supply? (7)
I believe the answer is:
remains
'what is left' is the definition.
I can't judge whether this definition defines the answer.
'engineers sat on electric supply?' is the wordplay.
'engineers' becomes 're' (Royal Engineers).
'sat on' means one lot of letters go next to another.
'electric supply?' becomes 'mains' (I have seen 'Supply of water' mean 'mains' so perhaps 'supply' could also mean 'mains'. I am not sure about the 'electric' bit.).
're'+'mains'='REMAINS'
'of' is the link.
Can you help me to learn more?
(Other definitions for remains that I've seen before include "Leftovers" , "Stays behind" , "Remnants" , "Body after death" , "Continues" .)