The story
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱóm
- Proto-Italic*kom
- Proto-Italic*kom-
- Latincon-
- Proto-Indo-European*terh₂-?
- Proto-Indo-European*ter-?
- Proto-Indo-European*térmn̥
- Proto-Italic*termn̥
- Proto-Italic*term(e)nos
- Latinterminus
- Latinconterminus
- English todaycoterminous
From Latin conterminus, from con- (“with”) + terminus (“border, end”), equivalent to co- + terminous. The spelling with co- instead of con- is probably influenced by the related prefix co-.
Words from the same roots
Latinconterminus all →
conterminal
Etymology from Wiktionary, CC BY-SA 4.0.