From the git-go

Posted by R. Berg April 25, 2001In reply to From the git go posted by Bob Skuggen on April 24, 2001

Can anyone tell me where "from the git go" came from?

It isn't in my dictionaries. I've seen "git-go" and "get-go," and I'm guessing that "from the git-go" means "from the beginning" because the beginning of a process is when somebody gits going.