subroot

English

Etymology

From sub- +‎ root.

Noun

subroot (plural subroots)

1. (computing) A secondary or subsidiary root.
   • 2003, Kapil Raina, PKI Security Solutions for the Enterprise, page 30:

     Well-designed CAs will create a trust hierarchy, which consists of a root with a number of subroots, to further enhance protection of the private key.