Where does “cut signature” come from?

cut signature (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.

cut signature (English): An autograph extracted from a signed document; A...

Definitions

  1. An autograph extracted from a signed document; A...

Ancestry of “cut signature”, step by step

cut signature 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 CUT

StepLanguageWordMeaning
1EnglishCUTTo incise, to cut into the surface of something
2Middle Englishcutten
3Old Norsekytjahovel, small cottage
4Proto-Germanickutjanąto cut
Every word from Proto-Indo-European sek-Every word from Proto-Italic seknomEvery word from Latin signum