Where does “inassuageable” come from?

inassuageable (English) comes from English assuageable, from English assuage, from Middle English aswagen, from Old French asuagier, from Vulgar Latin assuavio, from Latin suāvis — sweet, pleasant, delicious.

Ancestry of “inassuageable”, step by step

inassuageable traces back through two separate lines of ancestry.

via English assuageable

StepLanguageWordMeaning
1Englishassuageableable to be assuaged
2EnglishassuageTo lessen the intensity of, to mitigate or...
3Middle EnglishaswagenTo cure or assuage; to give relief; To pacify; to...
4Old Frenchasuagierto appease, to calm
5Vulgar LatinassuavioI sweeten, I 'butter up', I calm
6Latinsuāvissweet, pleasant, delicious

via English in

StepLanguageWordMeaning
1EnglishinUsed to indicate location, inclusion, or position...
2Middle EnglishinAny kind of accomodation; particularly; A home or...
3Old Englishinin; Alternative form of inn
4Proto-West Germanic*in
Every word from Latin suāvisEvery word from Vulgar Latin assuavioEvery word from Old French asuagier