elaborate (adj.)
1590s, "produced by labor," from Latin elaboratus, past participle of elaborare "to exert oneself" (see elaboration). Meaning "very detailed" is from 1620s.
elaborate (v.)
c.1600, "to build up from simple elements," from Latin elaboratus, past participle of elaborare (see elaboration). Meaning "to work out in detail" is attested from 1610s. Related: Elaborated; elaborating.