forworth

The story

1. Proto-Germanic · inherited from*frawerþaną“to perish, come to ruin”
2. Old English · inherited fromforweorþan“to perish, pass away, vanish; deteriorate, sicken”
3. Middle English · inherited fromforworthen
4. English todayforworth

From Middle English forworthen, from Old English forweorþan (“to perish, pass away, vanish; deteriorate, sicken”), from Proto-Germanic *frawerþaną (“to perish, come to ruin”), equivalent to for- (“away, wrongly, badly”) + worth (“to turn into, become”). Cognate with Dutch verworden.