unindifferent

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 *n̥-
Proto-Italic *n̥-
Latin in-
Proto-Indo-European *dwóh₁
Proto-Indo-European *d(w)is-
Proto-Italic *dis-
Latin dis-
Proto-Indo-European *bʰer-
Proto-Indo-European *bʰéreti
Proto-Italic *ferō
Latin ferō
Latin differō
Latin differēns
Latin indifferēns
Old French indifferent
English indifferent
English unindifferent
From un- + indifferent.