door-to-door
UK: ˌdɔː tə ˈdɔː | US: ˌdɔːr tə ˈdɔːr
adj. involving or consisting of direct visits or deliveries to individual homes or businesses
adv. in a manner involving direct visits or deliveries to each location sequentially
The term "door-to-door" is a compound phrase formed by repeating the word "door," linked by the preposition "to." It originated in the early 20th century to describe activities (e.g., sales, services) conducted sequentially at each residence or establishment, emphasizing the physical movement from one entrance to another. The repetition of "door" reinforces the exhaustive, step-by-step nature of the process.
She worked as a door-to-door salesperson for a cosmetics company.
The charity collected donations through a door-to-door campaign.
The courier service guarantees door-to-door delivery within 24 hours.
Vaccination teams went door-to-door to ensure community coverage.
They distributed flyers door-to-door to promote the local event.