fichu (n.) Look up fichu at Dictionary.com
"scarf, neckerchief, small, triangular piece forming part of a woman's dress," 1803, from French fichu (18c. in this sense), apparently a noun use of the adjective fichu "carelessly thrown on," from Latin figere "to fasten, fix," from PIE root *dhigw- "to stick, to fix" (see fix (v.)). "[M]od. substitution for a coarser word" [Weekley].