Where does “unsensitivity” come from?

unsensitivity (English) comes from English sensitivity, from English sensitive, from Middle French sensitif, from Medieval Latin sensitivus, from Latin sentio, from Proto-Italic sentjō, from Proto-Indo-European sent-, from Proto-Indo-European h₁es- — to be.

unsensitivity (English): Synonym of insensitivity

Definitions

  1. Synonym of insensitivity

Ancestry of “unsensitivity”, step by step

unsensitivity traces back through two separate lines of ancestry.

via English sensitivity

StepLanguageWordMeaning
1EnglishsensitivityThe quality or state of being sensitive;...
2EnglishsensitiveHaving the faculty of sensation; pertaining to...
3Middle Frenchsensitif
4Medieval Latinsensitivussensitive; detectable, perceivable
5LatinsentioI feel, I sense, I perceive; I perceive, I am...
6Proto-Italicsentjō
7Proto-Indo-Europeansent-to head for, to go, to travel; to feel
8Proto-Indo-Europeanh₁es-to be

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European h₁es-
unsensitivity — Etymology, Origin & Word History | Etymology Explorer