The story
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱóm
- Proto-Italic*kom
- Proto-Italic*kom-
- Latincon-
- Proto-Indo-European*mey-?
- Proto-Indo-European*meyth₂-
- Proto-Indo-European*méyth₂eti
- Proto-Italic*meitō
- Old Latinmītō
- Latinmittō
- Latincommittō
- Latincommissiō
- Medieval Latincommissiōnārius
- Anglo-Normancommissionaire
- Middle Englishcommissioner
- English todaycommissioner
From Middle English commissioner, from Anglo-Norman commissionaire, from Medieval Latin commissiōnārius. Doublet of commissionaire. By surface analysis, commission + -er.
Etymology from Wiktionary, CC BY-SA 4.0.