ESC – d
Deletes any full word ahead of the cursor in the command console.
ESC, then ‘d’ character
For example, after typing the following command, the cursor is navigated to the beginning of the line, highliting the ‘s’.
R4(config)#show ip route
After using ESC, d, the show command is removed from the line. Note that a space still remains at the beginning of the line.
R4(config)# ip route