E·blis 
(ē-blēs, ĕblĭs) or I·blis (ĭ-blēs)
(ē-blēs, ĕblĭs) or I·blis (ĭ-blēs)n.
The principal evil spirit or devil of Islamic tradition.
[Arabic 'iblīs, probably ultimately from Greek diabolos, Satan, the Devil (perhaps via Aramaic *diabolos, *dibolos, with loss of initial d- possibly through reinterpretation as di-'iblā, the one of mourning di-, the one of + 'iblā, mourning); see DEVIL.]