Earlier quoted context omitted.
At least for Nix itself, that's pretty much it except via Dutch. > The name Nix is derived from the Dutch word niks, meaning nothing; build actions do not see anything that has not been explicitly declared as an input From page 81 of the original paper: https://edolstra.github.io/pubs/nspfssd-lisa2004-final.pdf
That's surprising; nix is Latin for snow, and its logo is a snow flake, so I just assumed it was that.
I don't think the logo choice is a coincidence, either; it's just that the ordering is different.