Where does “open source” come from?

open source (English) comes from English source, from Middle English sours, from Old French sorse, from Latin surgere, from Latin surgo, from Latin subrigo, from Latin regō, from Proto-Italic regō — to straighten, to right oneself; right; just.

open source (English): The practice of providing open-source code for a product

Definitions

  1. The practice of providing open-source code for a product

Ancestry of “open source”, step by step

open source traces back through two separate lines of ancestry.

via English source

StepLanguageWordMeaning
1EnglishsourceThe person, place or thing from which something (information, goods, etc.) comes or is acquired
2Middle EnglishsoursA source or origin; that which something originates from
3Old Frenchsorserise, beginning, spring, source
4Latinsurgeresecond-person singular future passive indicative...
5LatinsurgoI rise, get up, I arise; I lift up, I straighten
6LatinsubrigoI lift up, I straighten
7Latinregōto rule, govern, direct
8Proto-Italicregō
9Proto-Indo-Europeanh₃réǵetito be straightening, to be setting upright
10Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via English open

StepLanguageWordMeaning
1EnglishopenNot closed; Not physically drawn together,...
2Middle Englishopenopen
3Old Englishopenopen
4Proto-West Germanic*opanopen
5Proto-Germanicupanazopen

Words derived from “open source

Every word from Proto-Indo-European h₃reǵ-
open source — Etymology, Origin & Word History | Etymology Explorer