Where does “unsign” come from?

unsign (English) comes from English sign, from Middle English signe, from Old English seġn, from Latin signum, from Proto-Italic seknom, from Proto-Indo-European sek- — to cut, cut off, sever.

unsign (English): To remove one's signature from; To declare void...

Definitions

  1. To remove one's signature from; To declare void...

Ancestry of “unsign”, step by step

unsign traces back through two separate lines of ancestry.

via English sign

StepLanguageWordMeaning
1EnglishsignA visible indication; Physical evidence left by...
2Middle Englishsigne
3Old Englishseġnsign; mark; token
4Latinsignumvisible indication: sign, mark, signal; seal,...
5Proto-Italicseknomsign
6Proto-Indo-Europeansek-to cut, cut off, sever

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European sek-Every word from Proto-Italic seknomEvery word from Latin signum