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 substantiare →Every word from Medieval Latin substantiatus →Every word from English substantiate →