Where does “off-chain” come from?

off-chain (English) comes from English blockchain, from English block, from French Bloc, from Middle French bloc, from Old French bloc, from Dutch blok, from Middle Dutch blok, from Old Dutch blok — thick plank, beam, pile, prop.

off-chain (English): Occurring outside of a blockchain

Definitions

  1. Occurring outside of a blockchain

Ancestry of “off-chain”, step by step

off-chain traces back through two separate lines of ancestry.

via English blockchain

StepLanguageWordMeaning
1EnglishblockchainA shared record of past transactions in a...
2EnglishblockA substantial, often approximately cuboid, piece...
3FrenchBlocBloc — Bloc Québécois (Bloc québécois)
4Middle Frenchbloca considerable piece of something heavy, block
5Old Frenchbloclog, block
6Dutchbloka block; a street block; a political bloc
7Middle Dutchbloktreetrunk
8Old Dutchbloklog
9Proto-West Germanicblokkblock, log
10Proto-Germanicblukkąblock, log
11Proto-Indo-Europeanbhulg'-
12Proto-Indo-Europeanbhelg'-thick plank, beam, pile, prop

via English off

StepLanguageWordMeaning
1EnglishoffIn a direction away from the speaker or object;...
2Middle Englishofof; off; until
3Old Englishofof, from, off, out of
4Old Englishæfof
5Proto-Germanic*ab
6Proto-Indo-Europeanapó
Every word from Proto-Indo-European bhelg'-Every word from Proto-Indo-European bhulg'-Every word from Proto-Germanic blukką