gyttja

noun

gyt·​tja

ˈyi(ˌ)chä

plural -s

: a lacustrine mud containing abundant organic material

Word History

Etymology

Swedish, from gjuta to pour, from Old Swedish giūta; akin to Old Norse gjōta to bear young, drop one's young (pour)

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!