The story
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Englishsub-
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*trísinflu.
- Proto-Indo-European*d(w)is-
- Proto-Italic*dis-
- Latindis-
- Proto-Indo-European*bʰer-
- Proto-Indo-European*bʰéreti
- Proto-Italic*ferō
- Latinferō
- Latindifferō
- Latindifferēns
- Latindifferentia
- New Latindifferentiō
- New Latindifferentiātus
- Englishdifferentiate
- Englishdifferentiation
- English todaysubdifferentiation
From sub- + differentiation.
Etymology from Wiktionary, CC BY-SA 4.0.