çekim: karşılaştırma düsterer · üstünlük am düstersten
köken: From Middle Low German dûster, from Old Saxon thiustri, ultimately from Proto-West Germanic *þiustrī (“dark, without light”). The word also exists in parts of West Central German (compare Luxembourgish däischter), which probably facilitated the borrowing; but the standardised form is definitely from Low German in view of its lacking diphthongisation.