Where does “unsubstantiatedly” come from?

unsubstantiatedly (English) comes from English unsubstantiated, from English Un-, from Middle English un-, from Old English un-, from Proto-West Germanic un-, from Proto-Germanic un-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

unsubstantiatedly (English): In a way that is unsubstantiated

Definitions

  1. In a way that is unsubstantiated

Ancestry of “unsubstantiatedly”, step by step

unsubstantiatedly traces back through two separate lines of ancestry.

via English unsubstantiated

StepLanguageWordMeaning
1EnglishunsubstantiatedLacking substantiation; without evidence; simple...
2EnglishUn-not
3Middle Englishun-
4Old Englishun-negation or absence of: un-, non-; bad; forms...
5Proto-West Germanicun-not, un-
6Proto-Germanicun-not, un-
7Proto-Indo-Europeann̥-not, un-
8Proto-Indo-Europeannenot

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European neEvery word from English Un-Every word from Proto-Indo-European n̥-