Thus, to Tacitus (3 letters)

{ Answer }

SIC

{ Related Clues }

"___ 'em!"
[as printed]
Thus
"___ transit . . . "
Abélard's "___ et Non"
Activate Fido
Attack word
Bracketed word
Command to a dog
Dog command
Editor's notation
"___ 'em, Rover!"
Error denoter
Error indicator
Incite to attack
[not a typo]
Order to attack, with "on"
Quotation addition
Quote qualification
"___ semper tyrannis"
Set a dog on
Set the dog (on)
Set a setter (on)
So, to Caesar
Thus: Lat.
Thus, to Terence
Attack dog command
Cry to an attack dog
[not my error]
Oft-bracketed word
"Go get 'em" word
[That's what it says]
[their mistake, not mine]
It may come after a typo

{ Tags }

attack, bracketed, command, dog, em, error, incite, mistake, motto, my, not, semper, set, sic, so, tacitus, thus, transit, tyrannis, word, written

{ Notes }

The answer SIC is seen frequently, appearing about once every 110 puzzles.

{ Definition }

SIC as a verb:

1. (sic, set) = urge a dog to attack someone

SIC as an adverb:

1. intentionally so written (used after a printed word or phrase)