黄昏
huáng hūn · HSK 7
dusk
🌇 黄 = yellow + 昏 = dusk/dark; the yellow-lit sky as day darkens into night
昏 itself already means dusk or dark; pairing it with 黄 (yellow) names the golden-yellow cast the sky takes on right as light fades. So 黄昏 = the yellow hour of nightfall.
黄 — 廿 + 田 (or 由) + 八
Originally a pictograph of a person wearing a jade belt-pendant (huang), later borrowed to mean the color yellow. The modern shape is stylized and no longer transparent. It is one of the oldest Chinese characters, attested on oracle bones.
昏 — 氏 (clan, top) + 日 (sun, bottom)
Originally depicted the sun (日) sinking below something, with the top element showing the sun dropping low at dusk. The character meant 'twilight' or 'dusk,' the time when light fades. From this came extended meanings of 'dim,' 'dark,' and 'confused' or 'unconscious,' as in losing clarity of mind.