warnen - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

From Middle High German warnen (“to watch over, protect”), Old High German warnōn (“to deny, refuse, decline”), from Proto-West Germanic *warnōn.

Cognate with Old Norse varna (“to refuse”), Old Saxon wernian (“to decline, withhold”), Old English wyrnan, English warn.^[1]

IPA^(key): /ˈvaʁnən/ (standard)
IPA^(key): /ˈvaːnən/, /ˈvaːnn̩/ (widespread, especially northern and central Germany)

warnen (weak, third-person singular present warnt, past tense warnte, past participle gewarnt, auxiliary haben)

(transitive) to warn, to caution, to admonish [with accusative ‘someone’ and vor (+ dative) ‘about/against something’]

Composed forms of warnen (weak, auxiliary haben)

^ Friedrich Kluge (1883), “warnen”, in John Francis Davis, transl., Etymological Dictionary of the German Language, published 1891

warnen