o͘-àm-hîn烏暗眩

a manifestation of vertigo where one blacks out

a manifestation of vertigo where one blacks out after everything starts spinning

English Wiktionary, “烏暗眩” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%83%8F%E6%9A%97%E7%9C%A9 · confidence: Medium (Wiktionary)