Where does “unassailability” come from?

unassailability (English) comes from English assail, from Middle English assailen, from Old French assalir, from Latin assaliō, from Latin ad-, from Latin īn-, from Latin în, from Latin en — in.

unassailability (English): The quality of being unassailable

Definitions

  1. The quality of being unassailable

Ancestry of “unassailability”, step by step

StepLanguageWordMeaning
1EnglishassailTo attack with harsh words or violent force
2Middle EnglishassailenTo assail or assault; to loot or attack; To begin...
3Old Frenchassalirto jump on; to attack; to assault
4Latinassaliōto jump on, attack
5Latinad-to; usually prefixed to verbs, in which cases it...
6Latinīn-un-, non-, not
7Latinînin, at, on, upon, from (space)
8Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
9Proto-Italicenin
10Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-