Where does “dupion” come from?

dupion (English) comes from French doupion, from Italian doppione, from Italian doppio, from Latin dūplus, from Proto-Italic *duplos — double.

dupion (English): A double cocoon, made by two silkworms; The silk...

Definitions

  1. A double cocoon, made by two silkworms; The silk...

Ancestry of “dupion”, step by step

StepLanguageWordMeaning
1Frenchdoupion—
2Italiandoppioneduplicate
3Italiandoppiodouble, dual, two; two-faced, double-dealing;...
4Latindūplusdouble (twice as much, or as big)
5Proto-Italic*duplosdouble
Every word from Proto-Italic *duplos →Every word from Latin dūplus →Every word from Italian doppio →