Paludal (adjective)
paludal [puh-lood-l, pal-yuh-dl]

adjective
1. of or relating to marshes.
2. produced by marshes, as miasma or disease.

See more synonyms on Thesaurus.com

Origin: 1810-20; < Latin palūd- (stem of palūs) swamp, marsh + -al

Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.