Inter-commoning describes the ambassadorial work of connecting different commons to coordinate and collaborate at higher, aggregated levels.
Inter-commoning can refer to co-learning, the shared management of infrastructure, the mutualization of resource use and benefits, or the federation of governance.
Cover. source
In English Law, intercommoning is called a situation, where the commons (here: common land or forests or waters) of two manors lie together, and the inhabitants, or those having a right of common of both, have time out of mind depastured their cattle, without any distinction. John Bouvier (1856): A Law Dictionary, Adapted to the Constitution and Laws of the United States. (html 
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# According to Webster's Revised Unabridged Dictionary
published 1913 by C. & G. Merriam Co html
"1. To share with others; to participate; especially, to eat at the same table. 2. (O. Eng. Law) To graze cattle promiscuously in the commons of each other, as the inhabitants of adjoining townships, manors, etc."
The term also appears in the Acknowledgments section of Peter Linebaugh's 2014 book, "Stop, Thief! The Commons, Enclosure and Resistance" (PM Press).
# See also Conceptual Notes, Governing External Relations