The Old Norse word myrkr
Word myrkr
m r k r
Meaning dark, murky
Synonyms døkkr, dimmar

Other words that might be of interest
eisa ‘fire’, eldr ‘fire’, aska ‘ashes’, skírr ‘clear, bright’, dimma ‘darkness’, logi ‘flame, blaze’, heitr ‘hot, burning’, nátt ‘night’, skuggi ‘shadow’, reykr ‘smoke, steam’, sól ‘sun’, sunna ‘sun’