unconsumable

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 *ḱe?
Proto-Indo-European *ḱóm
Proto-Italic *kom
Proto-Italic *kom-
Latin con-
Proto-Indo-European *upó
Proto-Italic *supo
Latin sub
Latin sub-
Proto-Indo-European *h₁em-der.
Proto-Italic *emō
Latin emō
Latin sūmō
Latin cōnsūmōder.
Old French consumerbor.
Middle English consumen
English consume
Proto-Indo-European *-tḗr
Proto-Indo-European *-dʰlom
Proto-Indo-European *-dʰlis
Proto-Italic *-ðlis
Latin -bilis
Latin -ābilis
Old French -ablebor.
Middle English -able
English -able
English unconsumable
From un- + consume + -able.