setback
set + back
https://gyazo.com/999016c605b2bbba020ec4d94800aca1
noun
1. a reversal or check in progress:
«…にとって(の)/…において(の)» (進歩･発展の)障害, 妨げ; 挫折, つまづき; 後退させるもの «for, to/in» ; (病気の)ぶり返し
e.g. a serious setback for the peace process.
2. Architecture a plain, flat offset in a wall.
〘建〙 セットバック〘日照通風確保のため高層建造物の上部を段状に下部より後退させること; その後退部分〙
3. North American the distance by which a building or part of a building is set back from the property line:
e.g. as modifier : they had to get permission to overlap the city's setback lines.