masc. proper name, from Old North French Waltier (Old French Gualtier, Modern French Gautier), of Germanic origin and cognate with Old High German Walthari, Walthere, literally "ruler of the army," from waltan "to rule" (from Proto-Germanic *waldan, from PIE root *wal- "to be strong") + hari "host, army" (see harry). Walter Mitty (1939) is from title character in "The Secret Life of Walter Mitty" by U.S. short story writer James Thurber (1894-1961).
also U.S., abbreviation of United States, attested from 1834. U.S.A. for "United States of America" is recorded from 1885; before that it generally meant "U.S. Army."
see bunk (n.2). The North Carolina county was named for Edward Buncombe (1742–1778), North Carolina revolutionary leader and colonel in the American army.
late 13c. (late 12c. as a surname), "officer in charge of a forest," from Old French forestier "forest ranger, forest-dweller" (12c., also, as an adjective, "wild, rough, coarse, unsociable"), from forest (see forest (n.)).
1837 (implied in bodaciously), Southern U.S. slang, perhaps from bodyaciously "bodily, totally," or a blend of bold and audacious, which suits the earliest attested sense of the word. Popularized anew by the 1982 Hollywood film "An Officer and a Gentleman."