Where does “imperspicuity” come from?

imperspicuity (English) comes from English perspicuity, from Classical Latin perspicuitās, from Latin perspicuus, from Latin perspiciō, from Latin speciō, from Proto-Italic spekjō, from Proto-Indo-European spéḱyeti, from Proto-Indo-European speḱ- — to see, to look, to observe.

imperspicuity (English): vagueness; lack of clarity

Definitions

  1. vagueness; lack of clarity

Ancestry of “imperspicuity”, step by step

StepLanguageWordMeaning
1EnglishperspicuityClarity, lucidity, especially in expression; the...
2Classical Latinperspicuitās
3Latinperspicuustransparent, clear; evident, manifest,...
4Latinperspiciōto see through something
5Latinspeciōto observe, watch, look at
6Proto-Italicspekjōto observe, to see
7Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
8Proto-Indo-Europeanspeḱ-to see, to look, to observe
Every word from Proto-Indo-European speḱ-Every word from Proto-Indo-European spéḱyetiEvery word from Proto-Italic spekjō