Where does “unresearchable” come from?

unresearchable (English) comes from English researchable, from English research, from French rechercher, from Old French recerchier, from Old French re-, from Latin rĕ-, from Latin prōdūcō, from Latin prō- — passed , crossed.

unresearchable (English): Not researchable; difficult or impossible to...

Definitions

  1. Not researchable; difficult or impossible to...

Ancestry of “unresearchable”, step by step

unresearchable traces back through two separate lines of ancestry.

via English researchable

StepLanguageWordMeaning
1EnglishresearchableThat can be researched
2EnglishresearchDiligent inquiry or examination to seek or revise...
3Frenchrechercherto search for, to look for; to search again, to...
4Old Frenchrecerchierto search; to look for
5Old Frenchre-re- again; once more
6Latinrĕ-back, backwards
7Latinprōdūcōto lead or bring forth, forward or out
8Latinprō-forward direction, forward movement
9Proto-Italic*pro-pro- see the Latin entry for further meanings
10Proto-Indo-Europeanpro-toward, forward
11Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
12Proto-Indo-Europeanper-before, in front; first; to go through
13Proto-Indo-Europeanpr̥tóspassed , crossed

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Latin rĕ-
unresearchable — Etymology, Origin & Word History | Etymology Explorer