potable

 
Pronunciation: /ˈpəʊtəb(ə)l/

adjective

formal
  • safe to drink; drinkable: there is no supply of potable water available

Derivatives

potability

Pronunciation: /-ˈbɪlɪti/
noun

Origin:

late Middle English: from French potable, from late Latin potabilis, from Latin potare 'to drink'