tòng-liông棟樑

ridgepole

ridgepole; pillar; anchor; mainstay

architecture

English Wiktionary, “棟樑” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%A3%9F%E6%A8%91 · confidence: Medium (Wiktionary, Hokkien)