Meaning

noun any liquid suitable for drinking

adjective suitable for drinking

originThe adjective is derived from Late Middle English potable (“drinkable, potable”), from Middle French, Old French potable (modern French potable (“drinkable, potable”)), and from its etymon Late Latin pōtābilis (“drinkable, potable”), from Latin pōtāre (“to drink”) + -bilis (suffix forming adjectives indicating a capacity or worth of being acted upon). Pōtāre is the present active infinitive of…

Etymology from Wiktionary, CC BY-SA 3.0