huang-thang風窗

opening in a wall

opening in a wall (to let in light and air); small ventilation tower on the top of a roof

architecture

English Wiktionary, “風窗” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%A2%A8%E7%AA%97 · confidence: Medium (Wiktionary, Hokkien)