English
electroluminescence
From electro- + luminescence.
A compound of electro- + luminescence
Proto-Indo-European *lewk- ‘bright’
Proto-Indo-European *léwksmn̥
Proto-Italic *louksmən
Latin lumen ‘light, source of light’
English luminescence
Today it means
noun The generation of light by the application of an alternating current to a semiconductor or phosphor, or by an electric discharge through a gas.
Language periods are conventional ranges, not dates for this word.
Etymograph / electroluminescence