The story
- Proto-Indo-European*mel-
- Proto-Indo-European*ml̥tós?
- Proto-Italic*moltos
- Latinmultus
- Latinmultī
- Middle Englishmulti-
- Englishmulti-
- Proto-Indo-European*bʰewg-
- Proto-Indo-European*bʰunégti
- Proto-Italic*fungōr
- Latinfungor
- Latinfūnctiō
- Old Frenchfonction
- Middle Frenchfunction
- Englishfunction
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishfunctional
- English todaymultifunctional
From multi- + functional.
Etymology from Wiktionary, CC BY-SA 4.0.