patrin
/ˈpatrɪn/originally cant
noun
A marker made of grass, leaves, a twig, etc., left purposely by a Gypsy to indicate the direction taken.
Origin
Late 19th century; earliest use found in George Whyte-Melville (1821–1878), novelist and poet. From Welsh Romani patrin leaf, patrin from Balkan Romani patrí from Sanskrit patrikā, diminutive of patra leaf, feather.