Where does “null character” come from?

null character (English) comes from English character, from Middle English caracter, from Old French caractere, from Latin character, from Ancient Greek χαρακτήρ, from Ancient Greek χαράσσω, from Proto-Indo-European ǵʰer- — to yearn for; to enclose; bowels, intestines.

null character (English): A control character with the value zero and no visual representation

Definitions

  1. A control character with the value zero and no visual representation

Ancestry of “null character”, step by step

null character traces back through two separate lines of ancestry.

via English character

StepLanguageWordMeaning
1EnglishcharacterA being involved in the action of a story; A...
2Middle Englishcaracter
3Old Frenchcaracteremark; sign; indication
4Latincharacterbranding iron; brand; characteristic, mark,...
5Ancient Greekχαρακτήρinstrument used for engraving; person who...
6Ancient Greekχαράσσωto sharpen; to engrave, carve, write, draw, stamp
7Proto-Indo-Europeanǵʰer-to yearn for; to enclose; bowels, intestines

via English null

StepLanguageWordMeaning
1EnglishnullA non-existent or empty value or set of values;...
2Middle Frenchnulnobody; no one; none
3Old Frenchnulnobody; no one; none
4Latinnūllusno one, none, not any, nothing
5Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European ǵʰer-Every word from Ancient Greek χαράσσωEvery word from Ancient Greek χαρακτήρ