from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The eighth month of the year in the Gregorian calendar. See Table at calendar.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. The eighth month of the Gregorian calendar, following July and preceding September. Abbreviation: Aug or Aug.
- proper n. A male given name, variant of Augustus borrowed from continental Europe.
- proper n. A female given name derived from the month (rare modern usage).
Middle English, from Old English, from Latin (mēnsis) Augustus, (month) of Augustus, after Augustus.(American Heritage® Dictionary of the English Language, Fourth Edition)
Early Middle English August(us), re-Latinized from Old English Agustus, from Late Latin Agustus, from Latin augustus ("month of August"), from the agnomen Augustus ("venerable") of Gaius Julius Caesar Augustus, possibly from either Old Latin *augos, increase, from Proto-Indo-European base *aug-, to increase; or Latin avis ("bird"), referring to divination by observing bird flights, singing, feeding or entrails, from Proto-Indo-European *awi-, bird; + Latin garrire ("to chatter"), from Proto-Indo-European base *gar-/*ger-, to cry, of imitative origin (Wiktionary)