rootage

(noun) fixedness by or as if by roots. Examples: "Strengthened by rootage in the firm soil of faith."

(noun) a developed system of roots. Synonyms: root system.

(noun) the place where something begins, where it springs into being. Synonyms: beginning, origin, root, source. Examples: "The italian beginning of the renaissance." "Jupiter was the origin of the radiation." "Pittsburgh is the source of the ohio river." "Communism's russian root."