noun
second door from here; next door but one
Refers to the house or location that is two doors away, not the immediate neighbor. Often used in contexts like giving directions or describing a nearby place.
郵便局は、この道をまっすぐ行った、またどなりにあります。
The post office is two doors down, straight along this road.
彼の家はうちのまたどなりだ。
His house is the second door from ours.