po·ta·ble
adjective/ˈpəʊtəbl/
/ˈpəʊtəbl/
(formal)- (of water) safe to drink
可饮用的；适于饮用的 Oxford Collocations DictionaryPotable is used with these nouns:- water
Word Originlate Middle English: from French potable, from late Latin potabilis, from Latin potare ‘to drink’.