unimpressionability

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Germanic *un-
Proto-West Germanic *un-
Old English un-
Middle English un-
English un-
Proto-Indo-European *h₁én
Proto-Italic *en
Proto-Italic *en-
Latin in-
Proto-Indo-European *per-?
Proto-Indo-European *pres-der.
Proto-Italic *pres-
Latin premō
Latin imprimō
Proto-Indo-European *-tis
Proto-Indo-European *-Hō
Proto-Indo-European *-tiHō
Proto-Italic *-tiō
Latin -tiō
Latin impressiōder.
Old French impressionder.
English impression
Proto-Indo-European *-tḗr
Proto-Indo-European *-dʰlom
Proto-Indo-European *-dʰlis
Proto-Italic *-ðlis
Latin -bilis
Latin -ābilis
Proto-Indo-European *-teh₂
Proto-Indo-European *-ts
Proto-Indo-European *-teh₂ts
Proto-Italic *-tāts
Latin -tās
Latin -abilitas
Middle French -abletébor.
Middle English -ablete
English -ability
English impressionability
English unimpressionability
From un- + impressionability.