Where does “sig” come from?

Sig is not attested in English and cannot be etymologized from the provided chain, which traces signature back through Middle French, Latin, and Proto-Indo-European roots meaning "to cut" or "mark."

sig (English): A signature, especially on emails or newsgroup...

Definitions

  1. A signature, especially on emails or newsgroup...

Ancestry of “sig”, step by step

sig traces back through two separate lines of ancestry.

via English signify

StepLanguageWordMeaning
1EnglishsignifyTo create a sign out of something; To give a...
2Old Frenchsignifier
3Latinsignificāre
4Latinsignumvisible indication: sign, mark, signal; seal,...
5Proto-Italicseknomsign
6Proto-Indo-Europeansek-to cut, cut off, sever

via Middle English sige

StepLanguageWordMeaning
1Middle EnglishsigeAlternative form of siȝe

Words derived from “sig

Every word from Proto-Indo-European sek-