model (n.) Look up model at Dictionary.com
1570s, "likeness made to scale; architect's set of designs," from Middle French modelle (16c., Modern French modèle), from Italian modello "a model, mold," from Vulgar Latin *modellus, from Latin modulus "a small measure, standard," diminutive of modus "manner, measure" (see mode (n.1)).

Sense of "thing or person to be imitated" is 1630s. Meaning "motor vehicle of a particular design" is from 1900 (such as Model T, 1908; Ford's other early models included C, F, and B). Sense of "artist's model" is first recorded 1690s; that of "fashion model" is from 1904. German, Swedish modell, Dutch, Danish model are from French or Italian.
model (v.) Look up model at Dictionary.com
1660s, "fashion in clay or wax," from model (n.). Earlier was modelize (c.1600). From 1915 in the sense "to act as a fashion model, to display (clothes)." Related: Modeled; modeling; modelled; modelling.
model (adj.) Look up model at Dictionary.com
1844, from model (n.).