set foot in/on something
set foot in (some place)
To enter some location. It wasn't me—I've never set foot in that building before! If you ever set foot in my house again, I'll have you arrested.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
set ˈfoot in/on somethingenter or visit a place: Neil Armstrong was the first man to set foot on the moon, in July 1969. ♢ She’s been complaining from the moment she set foot in this hotel.
Farlex Partner Idioms Dictionary © Farlex 2017