cassock
Concise Oxford English Dictionary © 2008 Oxford University Press:
cassock/ˈkasək/
▶noun a long garment worn by some Christian clergy and members of church choirs.
– derivatives
cassocked adjective.
cassocked adjective.
– origin C16: from Fr. casaque ‘long coat’, from Ital. casacca ‘riding coat’, prob. from Turkic kazak ‘vagabond’.
'cassock' also found in these Oxford entries:

