Where does “closed-source” come from?

closed-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.

closed-source (English): Whose constituent makeup, or source code, is not...

Definitions

  1. Whose constituent makeup, or source code, is not...

Ancestry of “closed-source”, step by step

closed-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 closed

StepLanguageWordMeaning
1EnglishclosedSealed, made inaccessible or impassable; not...
Every word from Proto-Indo-European h₃reǵ-