himation
noun
hi·mat·i·on hi-ˈma-tē-ˌän 
-ən
: a rectangular cloth draped over the left shoulder and about the body and worn as a garment in ancient Greece
Word History
Etymology
Greek, diminutive of heimat-, heima garment; akin to Greek hennynai to clothe — more at wear
First Known Use
1850, in the meaning defined above