feature (n.)youdaoicibaDictYouDict[feature 词源字典]
early 14c., "make, form, fashion" (obsolete), from Anglo-French feture, from Old French faiture "deed, action; fashion, shape, form; countenance," from Latin factura "a formation, a working," from past participle stem of facere "make, do, perform" (see factitious).

Sense of "facial characteristic" is mid-14c.; that of "any distinctive part" first recorded 1690s. Entertainment sense is from 1801; in journalism by 1855. Meaning "a feature film" is from 1913. Latin factura also is the source of Spanish hechura, Portuguese feitura, Italian fattura.[feature etymology, feature origin, 英语词源]
featurette (n.)youdaoicibaDictYouDict
"short feature film," 1942, from feature (n.) in the cinematography sense + -ette.