Salt, and salt-derived commodities (salt-cured fish, vegetables, meat) were major sources of income for societies and governments for quite a long time, so the etymology correlation probably has some legs.
Like a lot of historical things, there's a certain amount of guesswork involved, but it hangs together pretty well. It's unlikely that we'll find the Noah Webster of 100 BC who puts it down on a clay tablet.
Like a lot of historical things, there's a certain amount of guesswork involved, but it hangs together pretty well. It's unlikely that we'll find the Noah Webster of 100 BC who puts it down on a clay tablet.