The Latin word pulvis
Word pulvis
Meaning dust

Other words that might be of interest
fossa ‘ditch’, nemus ‘grove, glade’, limus ‘slime, mud, mire’, arbor ‘tree’, silva ‘forest’, saxum ‘stone’, lapis ‘stone’, petra ‘stone’, harena ‘sand’, humus ‘earth’, terra ‘earth’, ager ‘earth’, mons ‘mountain’, calculus ‘pebble, stone’