Where does “impenetrative” come from?

impenetrative (English) comes from English penetrative, from Middle English penetratyve, from Medieval Latin penetrativus, from Latin penētrāre.

impenetrative (English): Not penetrative

Definitions

  1. Not penetrative

Ancestry of “impenetrative”, step by step

impenetrative traces back through two separate lines of ancestry.

via English penetrative

StepLanguageWordMeaning
1EnglishpenetrativeOf, pertaining to, or involving penetration;...
2Middle Englishpenetratyve—
3Medieval Latinpenetrativus—
4Latinpenētrāre—

via English IM

StepLanguageWordMeaning
1EnglishIMInitialism of intramuscular; Initialism of idea...
2Korean임lover, beloved
3Chinese任—
Every word from Latin penētrāre →Every word from Medieval Latin penetrativus →Every word from Middle English penetratyve →