jean

Etymology

From the Middle English Gene (“Genoa”), from the Old French Jannes. Bleu de Gênes (“Genovese blue”) was a blue dye made in Genoa used to tint the denim cloth produced in Nîmes (de Nîmes). Doublet of Genoa and Geneva.

noun

1. (chiefly attributive) Denim.
   She wore a tattered jean jacket.
   Lastly, he took out a common frock of coarse dark jean, which he drew over his own under-clothing; and a felt hat—he had purposely left his own upstairs. 1843, Charles Dickens, Martin Chuzzlewit