In any case; regardless of how things happen.
Early 17th century: contraction of any how.
- I"ll do it anyhow, it doesn"t matter how difficult it is.
- I"ll come anyhow, I don"t care about the weather.
- I'll try anyhow, I have nothing to lose.
- Anyhow, it's better than doing nothing.
- Anyhow, I'm going to finish this project no matter what.