a·dust 
(ə-dŭst)
(ə-dŭst)adj.
Archaic
Archaic
1. Burned; scorched: "The brandished sword of God before them blazed ... with torrid heat, and vapor as the Libyan air adust" (John Milton).
2. Sunburned.
3. Melancholy in appearance or temperament; gloomy.
[Middle English, from Latin adustus, past participle of adūrere, to set fire to : ad-, ad- + ūrere, to burn.]