originarius

orīgin- (oblique stem of orīgō, “earliest beginning”, “origin”) +‎ -ārius (suffix forming adjectives, frequently substantivised)

• (Classical) IPA^(key): /o.riː.ɡiˈnaː.ri.us/, [ɔ.riː.ɡɪˈnaː.ri.ʊs]

orīginārius (feminine orīgināria, neuter orīginārium); first/second declension

1. (post-classical) original, native

   colōnus orīginārius

   (ab)original inhabitant / native inhabitant

2. (post-classical, of a dependant) whose status is determined by birth
3. (Medieval Latin) primitive

First/second declension.

orīginārius m (genitive orīgināriī); second declension

1. (post-classical) an original inhabitant, a native; in the plural, aborigines
2. (post-classical) a hereditary tenant of a servile status, a serf

Second declension.

¹Found in older Latin (until the Augustan Age).

• ŏrīgĭnārĭus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• originarius in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• ŏrīgĭnārĭus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette, page 1,092/1
• Jan Frederik Niermeyer, Mediae Latinitatis Lexicon Minus : Lexique Latin Médiéval–Français/Anglais : A Medieval Latin–French/English Dictionary, fascicle I (1976), page 748, “originarius”