1. See Provençal.
2. The traditional Romance dialects spoken in Auvergne, Gascony, Rousillon, Limousin, and the southern Dauphiné, in contrast to the traditional dialect spoken in Provence.
[Medieval Latin Occitānus : Old Provençal oc, yes (from Latin hoc, neuter sing. of hic, this) + -itānus, adjective suff. (perhaps from (Aqu)itānus, of Aquitaine, Occitan-speaking region of France).]
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.