The Latin word siccus
Word siccus
Meaning dry

Other words that might be of interest
fossa ‘ditch’, fluere ‘to flow’, aqua ‘water’, pluvia ‘rain’, flumen ‘river’, fluvius ‘river’, lacus ‘lake’, mare ‘sea’, gelu ‘ice’, humidus ‘wet’, aqueus ‘wet’, amiculum ‘cloak, cape’, cado ‘to fall, drop, plummet, topple’, udus ‘wet, moist, damp’