Etymology tree Arabic أَسْلَمَ (ʔaslama) Arabic إِسْلَام (ʔislām)bor. English Islam Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic New Latin Islāmus New Latin -icus New Latin islāmicusder.? French islamiqueder.? English Islamic From Islam + -ic, probably after New Latin islāmicus or French islamique.