forwarn

The story

1. Proto-Indo-European · derived from*wer-“to close, cover, protect, defend”
2. Proto-Germanic · inherited from*fra-
3. Old English · inherited fromforwærnan
4. Middle English · inherited fromforwernen
5. English todayforwarn

From Middle English forwernen, from Old English forwærnan, forwoernan, forwiernan (“to hinder, prohibit, prevent, repel, refuse, repudiate, deny, withhold, oppose”), from Proto-Germanic *fra-, *fur-, *far- (“for-”) + *warnijaną (“to care, worry”), from Proto-Indo-European *wer- (“to close, cover, protect, defend”), equivalent to for- + warn (“to deny, refuse, forbid”).

Words from the same roots