köken: Borrowed from Mongolic, itself from Old Uyghur [script needed] (šimnu), from Sogdian [script needed] (šmnw). Reshaped by folk etymology under the influence of жалмау (jalmau, “to gorge, wolf down”) and ауыз (auyz, “mouth”). Cognate with Kyrgyz желмогуз (jelmoguz), Southern Altai шулбысы (šulbïsï), Buryat шолмос (šolmos), Kalmyk шулмы (şulmy), Mongolian шулам (šulam).
köken: Borrowed from French démon (“demon”), from Middle French [Term?], from Latin daemōn (“demon; (protective) spirit”), from Ancient Greek δαίμων (daímōn, “demon; (protective) spirit”).
köken: From Old Galician-Portuguese demonio, from Latin daemonium, from Ancient Greek δαιμόνιον (daimónion), diminutive of δαίμων (daímōn, “god, divine power”).
köken: Back-formation from szörnyű, szörnyül, and szörnyülködik, compare iszony from iszonyú, iszonyodik. Created during the Hungarian language reform, which took place in the 18th–19th centuries.
köken: From Old Norse djǫfull, from Old Saxon diuval from Latin diabolus, from Ancient Greek διάβολος (diábolos, “devil, slanderer”). Compare Norwegian Bokmål djevel, Swedish djävul, English devil, German Teufel, Dutch duivel.