Where does “unauthored” come from?

unauthored (English) comes from English un — One.

unauthored (English): Not authored; without an author; unwritten; Of no...

Definitions

  1. Not authored; without an author; unwritten; Of no...

Ancestry of “unauthored”, step by step

unauthored traces back through two separate lines of ancestry.

via English un

StepLanguageWordMeaning
1EnglishunOne

via English authored

StepLanguageWordMeaning
1Englishauthoredsimple past tense and past participle of author
Every word from English un
unauthored — Etymology, Origin & Word History | Etymology Explorer