forway

The story

1. Old French · derived fromforsveer
2. Middle English · inherited fromforveien
3. Middle English · inherited fromforwayen
4. English todayforway

From Late Middle English forwayen, forweyen (“to go astay, go out of the way”), partly equivalent to for- + way (compare Old English forweġan (“to overcome, kill”)); and partly continuing, in altered form, Middle English forveien, forsveien, forvoyen (“to err, go astray”), from Old French forsveer, forvoier (“to go astray, err”).