The story
- Proto-Indo-European*h₁éǵʰ
- Proto-Indo-European*h₁éǵʰs
- Proto-Indo-European*h₁eǵʰsteros
- Proto-Italic*eksteros
- Latinexter
- Latinextrā
- Proto-Indo-European*h₂er-
- Proto-Italic*ordō
- Latinōrdō
- Latinextrā ōrdinem
- Latinextrāōrdinārius
- Englishextraordinary
- English todayextra
Abbreviation of extraordinary.
Etymology from Wiktionary, CC BY-SA 4.0.