"temporary structure or support," early 14c., verbal noun from stage (v.). As an adjective to designate "stopping place or assembly point," 1945.
Entries linking to staging
stage v.
early 14c., "to erect, construct," from stage (n.). The meaning "put into a play" is from c. 1600; that of "put (a play) on the stage" first recorded 1879; general sense of "to mount" (a comeback, etc.) is attested from 1924. Related: Staged; staging.