Grego

·noun A short jacket or cloak, made of very thick, coarse cloth, with a hood attached, worn by the Greeks and others in the Levant.

grego
grĕgo, āvi, ātum, 1, v. a. [grex], to collect into a flock or herd , to gather into a host , to ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
grego
A coarse Levantine jacket, with a hood. A cant term for a rough great-coat. ...

The Sailor's Word-Book