Where does “indemonstrably” come from?

indemonstrably (English) comes from English indemonstrable, from English in-, from Middle English in-, from Old English in-, from Old English in, from Proto-West Germanic *in, from Proto-Germanic in, from Proto-Indo-European én — in.

indemonstrably (English): In a way that cannot be demonstrated

Definitions

  1. In a way that cannot be demonstrated

Ancestry of “indemonstrably”, step by step

indemonstrably traces back through two separate lines of ancestry.

via English indemonstrable

StepLanguageWordMeaning
1Englishindemonstrablenot able to be demonstrated or proved; unprovable
2Englishin-in, into, towards, within; in, into; Used with...
3Middle Englishin-
4Old Englishin-in, into; on, upon; internal, positioned on the...
5Old Englishinin; Alternative form of inn
6Proto-West Germanic*in
7Proto-Germanicinin; into
8Proto-Indo-Europeanénin

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European énEvery word from Proto-Germanic inEvery word from Proto-West Germanic *in