Where does “unassaultable” come from?

unassaultable (English) comes from English assaultable, from English assault, from Middle English assaut, from Old French assaut, from Vulgar Latin assaltus, from Latin assultus, from Latin assiliō, from Latin ad- — in.

unassaultable (English): Not assaultable

Definitions

  1. Not assaultable

Ancestry of “unassaultable”, step by step

unassaultable traces back through two separate lines of ancestry.

via English assaultable

StepLanguageWordMeaning
1EnglishassaultableCapable of being assaulted
2EnglishassaultA violent onset or attack with physical means,...
3Middle Englishassautassault
4Old Frenchassautassault; attack
5Vulgar Latinassaltus
6Latinassultusan assault
7Latinassiliōto spring or leap (to or upon); rush (at)
8Latinad-to; usually prefixed to verbs, in which cases it...
9Latinīn-un-, non-, not
10Latinînin, at, on, upon, from (space)
11Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
12Proto-Italicenin
13Proto-Indo-Europeanh₁énin

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European h₁én