The story
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱóm
- Proto-Italic*kom
- Proto-Italic*kom-
- Latincon-
- Proto-Italic*merks
- Latinmerx
- Latincommercium
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Late Latincommerciāli
- Frenchcommercia
- Englishcommercial
- English todaycommercialise
From commercial + -ise.
Etymology from Wiktionary, CC BY-SA 4.0.