la lojbab cusku di'e
> Since it is elliptical, it has unspecified value which is to be
inferred
> from context if important.
[...]
> For the same reason, we do not presume that zo'e stands for "noda".
I think the counterpart of {zo'e} should be {no'o}, not {tu'o}.
{tu'o} is the counterpart of {zi'o}. At least that's what "used
in unary operations" suggests to me.
mu'o mi'e xorxes