anticipation (n.)youdaoicibaDictYouDict
late 14c., from Latin anticipationem (nominative anticipatio) "preconception, preconceived notion," noun of action from past participle stem of anticipare "take care of ahead of time" (see anticipate). Meaning "action of looking forward to" is from 1809.
preconceive (v.)youdaoicibaDictYouDict
1570s, from pre- + conceive. Related: Preconceived; preconceiving.
prejudice (n.)youdaoicibaDictYouDict
c. 1300, "despite, contempt," from Old French prejudice "prejudice, damage" (13c.), from Medieval Latin prejudicium "injustice," from Latin praeiudicium "prior judgment," from prae- "before" (see pre-) + iudicium "judgment," from iudex (genitive iudicis) "a judge" (see judge (v.)). Meaning "injury, physical harm" is mid-14c., as is legal sense "detriment or damage caused by the violation of a legal right." Meaning "preconceived opinion" (especially but not necessarily unfavorable) is from late 14c. in English.
stereotype (n.)youdaoicibaDictYouDict
1798, "method of printing from a plate," from French stéréotype (adj.) "printed by means of a solid plate of type," from Greek stereos "solid" (see stereo-) + French type "type" (see type (n.)). Meaning "a stereotype plate" is from 1817. Meaning "image perpetuated without change" is first recorded 1850, from the verb in this sense. Meaning "preconceived and oversimplified notion of characteristics typical of a person or group" is recorded from 1922.
stereotype (v.)youdaoicibaDictYouDict
1804, "to cast a stereotype plate," from stereotype (n.). From 1819 in the figurative sense "fix firmly or unchangeably." By 1953 as "assign preconceived and oversimplified notion of characteristics typical of a person or group." Related: Stereotyped; stereotyping.