säuern

== German == === Etymology === From sauer +‎ -en. === Pronunciation === IPA(key): /ˈzɔɪ̯ɐn/ Hyphenation: säu‧ern === Verb === säuern (weak, third-person singular present säuert, past tense säuerte, past participle gesäuert, auxiliary haben or sein) (transitive) to make sour, to make acidic (intransitive) to become sour, to become acidic ==== Conjugation ==== ==== Derived terms ==== Säuern, Säuerung säuernd, gesäuert === Further reading === “säuern”, in Digitales Wörterbuch der deutschen Sprache‎[1] (in German) “säuern” in Deutsches Wörterbuch von Jacob und Wilhelm Grimm, 16 vols., Leipzig 1854–1961. “säuern” in Duden online