Where does “unsubstantiated” come from?

Unsubstantiated derives from English substantiate, from Latin substantia (substance, essence), ultimately from Proto-Indo-European h₂ent- (being, existence).

unsubstantiated (English): Lacking substantiation; without evidence; simple...

Definitions

  1. Lacking substantiation; without evidence; simple...

Ancestry of “unsubstantiated”, step by step

unsubstantiated traces back through two separate lines of ancestry.

via English unsubstantiate

StepLanguageWordMeaning
1EnglishunsubstantiateTo prove false; to disprove or discredit
2EnglishsubstantiateTo verify something by supplying evidence; to...
3Medieval Latinsubstantiatusgiven substance
4Latinsubstantiare

via English substantiated

StepLanguageWordMeaning
1Englishsubstantiatedsimple past tense and past participle of...

Words derived from “unsubstantiated

Every word from Latin substantiareEvery word from Medieval Latin substantiatusEvery word from English substantiate