The story
- Proto-Indo-European*úp
- Proto-Indo-European*upér
- Proto-Germanic*uber
- Old Englishofer-
- Middle Englishover-
- Englishover-
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱóm
- Proto-Italic*kom
- Proto-Italic*kom-
- Latincon-
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Proto-Indo-European*h₁em-
- Proto-Indo-European*h₁émeti
- Proto-Italic*emō
- Latinemō
- Latinsūmō
- Latincōnsūmō
- Old Frenchconsumer
- Middle Englishconsumen
- Englishconsume
- Englishoverconsume
- English todayoverconsumer
From overconsume + -er.
Etymology from Wiktionary, CC BY-SA 4.0.