Origin: Latin suffix -able
Potable has 4 different meanings across 2 categories:
Any drinkable liquid; a beverage.
"After hiking all day, we were desperate for any potable water to quench our thirst."
Good for drinking without fear of disease or poisoning.
"The hikers were relieved to find a stream with water that was truly potable after crossing the mountain pass."
The word potable comes from the Latin verb meaning "to drink." It originally described something that was fit or capable of being drunk.