Stepped (on) (4)
'stepped on' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for trod that I've seen before include "Trampled" , "Pressed (grapes) by foot" , "Stepped heavily" , "Pressed (something) down with the feet" , "Walked upon" .)
'stepped on' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for trodden that I've seen before include "Footpaths are" , "Stepped on" , "Oppressed" , "Crushed under the feet" , "Heavily walked upon" .)