一切經音義 71.21

71.21

晦冥（呼對反尒疋云霧謂之晦言霧則天地交合冥冥無所覩見也劇霧則晝昏冥也）。

晦冥 (*xwojH*, [fanqie for 晦:] 呼對反; the Erya says: 'Fog is called 晦.' This means that in fog, heaven and earth blend together in darkness, so that nothing can be seen. In severe fog, it is dark and gloomy even in daylight).