English
duple
Duple comes from Latin duplus ‘twofold, double’, and goes back to Proto-Indo-European *dwi- ‘two’.
- Proto-Indo-Europeanc. 4500–2500 BCE*dwi-‘two’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*dwiplós‘double, twofold’reconstructed
- Proto-Italicc. 1500–700 BCE*duplos‘double’reconstructed
- Latinc. 75 BCE–200 CEduplus‘twofold, double’
- Englishearliest quotation 2015duple
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*dwi-‘two’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*dwiplós‘double, twofold’reconstructed
- Proto-Italicc. 1500–700 BCE*duplos‘double’reconstructed
- Latinc. 75 BCE–200 CEduplus‘twofold, double’
- Englishearliest quotation 2015duple
Earliest quotation: 2015, Ben Lerner, Diary: “McGonagall is earnestly trying to gather the resources of…”
The story
Attested since the 16th century.
Linked words
through Proto-Indo-European *dwi- ‘two’
through Latin duplus ‘twofold, double’
Today it means
adj Double.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *dwi- / duple