Definitions for go forth
leave, go forth, go away(verb)
go away from a place
"At what time does your train leave?"; "She didn't leave until midnight"; "The ship leaves at midnight"
issue, emerge, come out, come forth, go forth, egress(verb)
come out of
"Water issued from the hole in the wall"; "The words seemed to come out by themselves"
to depart from a place.
to be divulged or made generally known; to emanate
Origin: go + forth.