English
duplex
Duplex comes from Latin duplex ‘double, two-fold’.
- Latinc. 75 BCE–200 CEduplex‘double, two-fold’
- Englishearliest quotation 1977duplex
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Latinc. 75 BCE–200 CEduplex‘double, two-fold’
- Englishearliest quotation 1977duplex
Earliest quotation: 1977, Australian Journal of Botany: “Soils are duplex, sandy and solodic. The dominant trees…”
A compound of duo ‘two’ + plico ‘fold together’
Proto-Indo-European *dwóh₁ ‘two’
Proto-Italic *duō ‘two’
Latin duo ‘two’
Proto-Indo-European *pleḱ- ‘to plait, to weave’
Latin plico ‘fold together’
Linked words
through Latin duplex ‘double, two-fold’
Today it means
adj Having two floors.
Language periods are conventional ranges, not dates for this word.
Etymograph / Latin duplex / duplex