1560s, "a figure, drawn or painted," a back formation from portraiture or directly from French portrait, from Old French portret (13c.), noun use of past participle of portraire "to paint, depict" (see portray). Especially a picture or representation of the head and face of a person drawn from life. Related: Portraitist.
"the art of making portraits; a painting, picture, or drawing," late 14c., from Old French portraiture "portrait, image, portrayal, resemblance" (12c.), from portrait (see portrait).
1590s, from Latin simulacrum "likeness, image, form, representation, portrait," a dissimilation of *simulaclom, from simulare "to make like, imitate, copy, represent," from stem of similis "like, resembling, of the same kind" (see similar). The word was borrowed earlier as semulacre (late 14c.), via Old French simulacre.