overdifferentiation

Etymology tree
Proto-Indo-European *úp
Proto-Indo-European *-er
Proto-Indo-European *upér
Proto-Germanic *uber
Old English ofer-
Middle English over-
English over-
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
Proto-Indo-European *-yós
Proto-Italic *-ios
Old Latin -ios
Latin -ius
Latin -ia
Latin differentia
New Latin differentiō
New Latin differentiātusbor.
English differentiate
Proto-Indo-European *-tis
Proto-Indo-European *-Hō
Proto-Indo-European *-tiHō
Proto-Italic *-tiō
Latin -tiō
Latin -ātiōlbor.
Old French -ationbor.
Middle English -acioun
English -ation
English -ion
English differentiation
English overdifferentiation
From over- + differentiation.