The story
- Proto-Indo-European*mel-
- Proto-Indo-European*ml̥tós?
- Proto-Italic*moltos
- Latinmultus
- Proto-Indo-European*med-
- Proto-Indo-European*médos
- Proto-Italic*medos
- Latinmodus
- Latinmultimod(us)
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- English todaymultimodal
From Latin multimod(us) + English -al.
Etymology from Wiktionary, CC BY-SA 4.0.