- very light brown in color, as raw silk, unbleached linen, etc.
- an ecru color.
- a greyish-yellow to a light greyish colour; the colour of unbleached linen
- of the colour ecru
1869, from French écru “raw, unbleached,” from Old French escru “raw, crude, rough” (13c.), from es- “thoroughly” (see ex-) + Latin crudus “raw” (see crude).