Where does “presignature” come from?

presignature (English) comes from English signature, from Middle French signature, from Latin signatura, from Latin signō, from Latin signum, from Proto-Italic seknom, from Proto-Indo-European sek- — to cut, cut off, sever.

presignature (English): An intermediate value used in forming a...

Definitions

  1. An intermediate value used in forming a...

Ancestry of “presignature”, step by step

presignature traces back through two separate lines of ancestry.

via English signature

StepLanguageWordMeaning
1EnglishsignatureA person's name, written by that person, used as...
2Middle Frenchsignature
3Latinsignaturanominative feminine singular of signātūrus;...
4Latinsignōto mark, sign
5Latinsignumvisible indication: sign, mark, signal; seal,...
6Proto-Italicseknomsign
7Proto-Indo-Europeansek-to cut, cut off, sever

via English pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European sek-Every word from Proto-Italic seknomEvery word from Latin signum
presignature — Etymology, Origin & Word History | Etymology Explorer