Why Do We ‘Toe the Line’?

If you follow political commentary, you may have come across an idiom that seems like it might use the wrong homonym: “toe” versus “tow.” The phrase “toe the line” — not to be confused with the common misspelling “tow the line” — means “to conform rigorously to a rule or standard.” In this expression, “toe” functions as a verb meaning “to touch or reach with the toe.” Originally, the phrase was meant quite literally.

One of the earliest-written records appears in an 18th-century military memoir, in which an officer orders soldiers, “Silence, you dogs, toe the line, you puppies ….” The expression likely comes from military drills and other settings (schooling, sports, etc.) where participants were required to stand in formation during inspection with the tips of their toes exactly on a line or mark as a sign of obedience. The related phrase “toe the mark” was used similarly through the 19th century, though it is now seldom seen.

The sense of discipline and conformity in “toe the line” carried into a figurative sense by the end of the 19th century, as seen in an 1895 edition of Westminster Gazette: “The phrase ‘toeing the line’ is very much in favour with some Liberals.” By then, it had become shorthand for political conformity. It now often appears as “toe the party line,” implying that someone is following an authority figure’s rules, regardless of whether they actually agree with those rules.

The idiom carries a strict sense of adherence to authority in other areas, too. For example, “All employees must toe the line and follow the new procedures” suggests that people must adhere to the standards set by their employers. The phrase “toe the line” skyrocketed in popularity in the U.S. during the 1940s, spreading from military drill grounds to political commentary and corporate jargon.