the.com/murk
darkness that doesn't just hide things, it implies they're hiding from you
old rootsFrom Old Norse myrkr, kin to Mirkwood's dread
deep seaTwilight zone murk crushes light by 1000 meters
slang turnTo murk someone means to defeat or kill
chemistryMurky water scatters light through suspended sediment particles
mood wordMurk describes gloom and moral fog alike