The story
- Proto-Italic*moltos
- Latinmultus
- Latinmultī
- Middle Englishmulti-
- Englishmulti-
- Proto-Indo-European*mer-der.?
- Latinmorbus
- Proto-Indo-European*dʰeh₁-
- Latinmorbidus
- Englishmorbid
- English todaymultimorbid
Etymology from Wiktionary, CC BY-SA 4.0.