root certificate
self-signed public key certificate that identifies a root certificate authority; forms the basis of an X.509-based public key infrastructure
en-US/ˈɹut sɚˈtɪfɪˌkeɪtv/
en-GB/ˈɹuːt səˈtɪfɪkət/
self-signed public key certificate that identifies a root certificate authority; forms the basis of an X.509-based public key infrastructure