Where does “indefeasibility” come from?

indefeasibility (English) comes from English indefeasible, from English in-, from Middle English in-, from Old English in-, from Old English in, from Proto-West Germanic *in, from Proto-Germanic in, from Proto-Indo-European én — in.

indefeasibility (English): The state or quality of being indefeasible, of...

Definitions

  1. The state or quality of being indefeasible, of...

Ancestry of “indefeasibility”, step by step

StepLanguageWordMeaning
1EnglishindefeasibleNot liable to being annulled or declared void
2Englishin-in, into, towards, within; in, into; Used with...
3Middle Englishin-
4Old Englishin-in, into; on, upon; internal, positioned on the...
5Old Englishinin; Alternative form of inn
6Proto-West Germanic*in
7Proto-Germanicinin; into
8Proto-Indo-Europeanénin
Every word from Proto-Indo-European énEvery word from Proto-Germanic inEvery word from Proto-West Germanic *in