English
irresolvability
From ir- + resolve + -ability.
Formed from in + resolve + ability
Proto-Indo-European *h₁én ‘in’
Proto-Germanic *in
Proto-West Germanic *in
Old English in
Middle English in ‘inside’
English in
Proto-Indo-European *lewh₁- ‘to cut off, release’
…
Latin solvō ‘to loosen, unbind’
Latin resolvō ‘loosen, thaw, melt, resolve’
Old French resolver
Middle English resolven ‘to cause to disintegrate or decompose’
English resolve
Latin habeō ‘to have, possess’
Latin habilis ‘apt, fit, able’
Latin habilitās ‘aptness, ability’
Old French ablete
Middle English abilite ‘suitability, ability’
English ability
Today it means
noun the quality of being irresolvable
Language periods are conventional ranges, not dates for this word.
Etymograph / irresolvability