Meaning

noun an evil spell

verb cast a spell over someone or something; put a hex on someone or something

adjective of or pertaining to a number system having 16 as its base

originFirst attested about 1830, from Pennsylvania German hexe (“to practice witchcraft”), from German hexen (compare Hexe (“witch”)). The noun appeared later, in the 1850s. Cognate to Norwegian Bokmål heks (“witch”) and Dutch heks (“witch”), Dutch beheksen (“to bewitch”), Old English hægtesse (“witch, hag”). Doublet of hag.

Etymology from Wiktionary, CC BY-SA 3.0