Where does this definition of from door to door come from?
This entry for from door to door is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is from door to door a noun, verb, or something else?
In this entry, from door to door is tagged as 2adv..
Does from door to door appear elsewhere on Lughet?
Yes — from door to door appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.