Where does “uneruptive” come from?

uneruptive (English) comes from English eruptive, from French éruptif — eruptive.

uneruptive (English): Not eruptive

Definitions

  1. Not eruptive

Ancestry of “uneruptive”, step by step

uneruptive traces back through two separate lines of ancestry.

via English eruptive

StepLanguageWordMeaning
1EnglisheruptiveThat erupts or bursts forth; Accompanied by...
2Frenchéruptiferuptive

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from French éruptifEvery word from English eruptive