khiā-kông徛桁

large crosspieces behind door panels

large crosspieces behind door panels used to reinforce the door (used in traditional architecture)

English Wiktionary, “徛桁” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%BE%9B%E6%A1%81 · confidence: Medium (Wiktionary)