The story
- Arabic · derived fromرَهْج اَلْغَار
- Medieval Latin · derived fromrealgar
- Middle English · derived fromrealgar
- English todayrealgar
From Middle English realgar, from Medieval Latin realgar, resalgar, from Arabic رَهْج اَلْغَار (rahj al-ḡār, literally “cave dust”).
Etymology from Wiktionary, CC BY-SA 4.0.