Where does “nonsignature” come from?

nonsignature (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.

nonsignature (English): Absence of a signature; failure to sign

Definitions

  1. Absence of a signature; failure to sign

Ancestry of “nonsignature”, step by step

nonsignature 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 non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European sek-Every word from Proto-Italic seknomEvery word from Latin signum