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The Usage Panel is a group of nearly 200 prominent scholars, creative writers, journalists, diplomats, and others in occupations requiring mastery of language. Annual surveys have gauged the acceptability of particular usages and grammatical constructions.
A city of western Italy on the Arno River near the Tyrrhenian Sea. An important Etruscan town, it developed into a powerful maritime republic in the 9th to 11th centuries but was crushed by Genoa in 1284. Florence controlled the city after 1406. The campanile of its cathedral, built 1173-c. 1350, is the famed Leaning Tower of Pisa.
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.