"thin, stiff, transparent dress fabric," 1820, from French organsin (1660s), and Italian organzino, a strong kind of silk thread, a word of unknown origin; perhaps from the same source as organdy.
"action or process of mending a hole (in fabric) by interweaving yarn or thread," 1610s, verbal noun from darn (v.). Darning-needle is from 1848; darning-stitch from 1881.
kind of gingham fabric used for women's gowns, 1801, alteration of Cambrai, city in France (formerly Flanders) where the cloth originally was made. Compare cambric.