Also Merriam Webster: Is it wrong to say 'from whence'?
TL;DR: Yeah, it's kind of wrong, but people have been getting it wrong for so long that it is no longer a 'vicious' mistake.
Also Merriam Webster: Is it wrong to say 'from whence'?
TL;DR: Yeah, it's kind of wrong, but people have been getting it wrong for so long that it is no longer a 'vicious' mistake.