1630s (implied in domesticated), of animals, "convert to domestic use, tame, bring under control or cultivation;" 1741, of persons, "to cause to be attached to home and family, accustom to remain much at home;" from Medieval Latin domesticatus, past participle of domesticare "to tame," literally "to dwell in a house," from Latin domesticus "belonging to the household," from domus "house," from PIE *dom-o- "house," from root *dem- "house, household." Related: Domesticating.