Portuguese

Adjective

ruço m ‎(feminine singular ruça, masculine plural ruços, feminine plural ruças, comparable)

1. light, brownish grey; dun;
2. grey-haired; having light blonde or very light brown hair;
3. having lost some of its color from use; faded.

References

• HOUAISS, A. and DE SALLES VILLAR, M. Minidicionário Houaiss da língua portuguesa. Rio de Janeiro: Objetiva, 2008.