Wu Collection, Upper Volume
Radical: Field (tián)
Entry: Jiang
Kangxi Stroke Count: 13
Page 765, Entry 05
Pronounced jiang.
According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it means a boundary. The character is composed of the radical for field, with three vertical lines indicating the division of borders.
The Broad Annotations (Boya) states that jiang means a boundary.
Rites of Zhou (Zhouli), Section on the Official of the Earth, Carrier of Duties: To assign border lands using the fields of the great capital. Commentary: The border lands consist of five hundred li, which constitutes the boundary of the royal domain.
Discourses of Zhou (Zhouyu): There are observation posts on the borders. Commentary: Jiang means frontier.
Also pronounced liang. It refers to that which dies but does not decay. Some editions are written with the radical for bow.