Where does “self-signing” come from?

self-signing (English) comes from English signing, 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.

self-signing (English): The use of self-signed security certificates

Definitions

  1. The use of self-signed security certificates

Ancestry of “self-signing”, step by step

self-signing traces back through two separate lines of ancestry.

via English signing

StepLanguageWordMeaning
1EnglishsigningThe act of concluding a contract, especially by...
2EnglishsignA visible indication; Physical evidence left by...
3Middle Englishsigne
4Old Englishseġnsign; mark; token
5Latinsignumvisible indication: sign, mark, signal; seal,...
6Proto-Italicseknomsign
7Proto-Indo-Europeansek-to cut, cut off, sever

via English Self

StepLanguageWordMeaning
1EnglishSelfHimself, herself, itself, themself, themselves; that specific (person mentioned)
2Middle EnglishsalveAlternative form of sauf
3Old Englishsealfsalve
4Proto-West Germanicsalbusalve, ointment
5Proto-Germanicsalbōsalve, ointment
6Proto-Indo-Europeansolp-éh₂
7Proto-Indo-Europeanselp-fat, oil
Every word from Proto-Indo-European sek-Every word from Proto-Italic seknomEvery word from Latin signum
self-signing — Etymology, Origin & Word History | Etymology Explorer