gloat

From Middle English gloten, glouten, from Old Norse glotta (“to grin, smile scornfully”) or Old English glotian, both from Proto-Germanic glutōną (“to stare”), from Proto-Indo-European gʰel- (“to shine”), related to dialectal Swedish glotta, glutta (“to peep”), Middle High German glutzen, glotzen (“to stare”), Modern German glotzen (“to gawk, goggle”).