elaboration (n.)

1570s, in a physiological sense relating to tissue development, from Late Latin elaborationem (nominative elaboratio), noun of action from past-participle stem of Latin elaborare "work out, produce by labor, endeavor, struggle," from ex "out" (see ex-) + laborare "to labor" (see labor (v.)). Meaning "act of working out in great exactness and detail" is from 1610s.