Where does “nonnegotiable” come from?

Nonnegotiable derives from English negotiable, which combines Latin negotiatus (engaged in business) and -abilis (capable of), ultimately from Proto-Indo-European new- (new), reflecting the sense of novel or unprecedented transactions.

nonnegotiable (English): Not negotiable; not subject to negotiation;...

Definitions

  1. Not negotiable; not subject to negotiation;...

Ancestry of “nonnegotiable”, step by step

StepLanguageWordMeaning
1EnglishnegotiableAble to be traversed; navigable; Able to be...
2EnglishnegotiateTo confer with others in order to come to terms...
3Latinnegotiatustraded
4LatinnegotiorI do business; I act as banker; I trade, traffic
5Latinnegōtiumbusiness, employment, occupation, affair
6Latinnecnor; and not, not; neither
7Latinnequenot; and not, also not
8Proto-Indo-Europeannekʷeand not, neither, nor
9Proto-Indo-Europeannenot
Every word from Proto-Indo-European neEvery word from Proto-Indo-European nekʷeEvery word from Latin neque