First pair shown overly elaborate excavator? (6)
I believe the answer is:
shovel
'excavator?' is the definition.
(I know that excavator can be written as shovel)
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for shovel that I've seen before include "digger" , "Tool for snow, coal, etc" , "Tool to be found in hovels?" , "Spade-like tool" , "Large spade" .)