uplight

From up- +‎ light. Compare Saterland Frisian apljuchte (“to illuminate”), West Frisian opljochtsje (“to illuminate”), Dutch oplichten (“to illuminate”), German Low German upluchten, uplüchten (“to illuminate”), German aufleuchten (“to illuminate”).

uplight (plural uplights)

1. A recessed light fixture that directs the light in an upward direction.

   Synonym: uplighter

uplight (third-person singular simple present uplights, present participle uplighting, simple past and past participle uplighted or uplit)

1. (transitive) To light up, illuminate.
   • 1858, The Knickerbocker, volume 51, page 80:

     Save in the withered woods alone, where flashing bolts from Heaven
     Uplit the scene, and poured the fire, amid the branches riven.

2. (transitive) To illuminate from below.

• light up