出典:Wiktionary
From Middle English glopnen, from Old Norse glúpna (“to frighten, grieve, look downcast”), from Proto-Germanic *glupnōną (“to frighten, cause to stare”), from Proto-Indo-European *gʰlub(ʰ)- (“to yawn, gape”). Cognate with Icelandic glúpna (“to put to shame”). More at glope.
gloppen (三人称単数 現在形 gloppens, 現在分詞 gloppening, 過去形および過去分詞形 gloppened)