Pileus
/ˈpɪliəs/noun
A close-fitting brimless cap, especially one worn in ancient Rome.
Did you know?In ancient Rome, the pileus was associated with manumission: freed slaves could wear it as a public sign of liberty.
Etymological Timeline
Proto-Indo-European
PIE
*pil-
“to felt, felted cloth”
Latin
Latin
pileus
“a felt cap”
Late Latin
Latin
pilleus
“a felt cap, especially a cap of liberty”
Old French
Old French
pile
“a cap or hood (regional/learned continuation)”
Modern English
English
pileus
“a brimless cap, especially one worn in antiquity or in academic dress”