poto-, pot- +

(Latin: drink)

aqua potabile
Water that is fit or suitable for drinking because of cleanliness and being uncontaminated.
Eternal Water Resource

The same glass of water you drink today could have also been drunk by Marie Antoinette or Cleopatra or Julius Caesar. In fact, no new water has been created since the beginning of time; 72% of the earth's surface has always been covered by water, and it is continually recycling itself through evaporation, condensation, and precipitation.

—"Tastings" by Jenifer Harvey Lang; as seen in Forbes, August 10, 1987.
Hydropotes
The Water Deer (Hydropotes inermis).

A small species of deer which are intermediate between muntjac and roe deer. They have no antlers, but the males do have large protruding tusks, which are generally only visible in adults. The tusks are used as weapons during the rut and in defense against predators. Their ears are large and rounded giving a “teddy bear” like appearance. The hair is a russet-brown in summer and pale to grey-brown in the winter.

narcotic poisoning (s) (noun), narcotic poisonings (pl)
A condition or a process in which an organism becomes chemically harmed by a toxic substance or venom of an animal: A narcotic poisoning can be caused by sleep-producing drugs; such as, opium and its derivatives.
poison
1. A substance that causes injury, illness, or death; especially, by chemical means.
2. Something destructive or fatal. 3. In chemistry and/or physics: a substance that inhibits another substance or a reaction: a catalyst poison.
4. Etymology: a Latin word that passed through Vulgar Latin into Old French in the form of poison.

This word meant “beverage”, “liquid dose”, and also “poison beverage, poison”.

A deadly potion", from Old French puison (12th century), "a drink", later "a potion, poisonous drink" (14th century); from Latin potionem, "a drink"; also "poisonous drink," from potare, "to drink".

poisonous
1. Containing, producing, or acting as a poison.
2. Filled with or creating malice, distrust, or hostility.
poisonously
1. With fatal or injurious effects; venomously.
2. In a very malevolent manner.
3. Having the properties or effects of poison.
poisonousness
1. Capable of harming or killing by or as if by poison; toxic or venomous.
2. Containing a poison.
3. Marked by apparent ill will.
potability
That which is fit or suitable for drinking: "They finally found water which had enough potability for drinking."
potable
Fit to drink, drinkable.
potation (s), potations (pl)
1. The act of drinking.
2. A drink, especially an alcoholic beverage.
potatory
1. Pertaining to or given to drinking; for example, "She was an expert in the potatory pleasures of French and California wines."
2. Relating to or participating in drinking.
potion
A liquid, or liquid mixture; especially, one that is medicinal, poisonous, or magical; such as, a love potion or a sleeping potion.
potomania
1. A morbid craving for intoxicating drinks.
2. An intense and persistent desire to drink alcoholic beverages to excess.
potomaniac
Someone who has an intense and persistent desire to drink alcoholic beverages to excess.
potometer
An instrument used to determine the rate of a leafy plant's transpiration by measuring water uptake. Potometers are said to be notoriously difficult to set up because air bubbles in the xylem of the plant or in the apparatus itself can prevent the setup from working properly.

Related "drink" units: bib-; dipso-; haust-; nectar-.