also chode, "penis," by 1968 (Zap Comix), U.S. teen slang, of unknown origin. Guesses include supposed Navajo chodis "penis" ["Cassell's Dictionary of Slang" 2005], or a supposed Hindi, Bengali or Gujarati vernacular word for "copulate" ["New Hacker's Dictionary," 1996].
salutation in parting, also goodbye, good bye, good-by, 1590s, from godbwye (1570s), a contraction of God be with ye (late 14c.), influenced by good-day, good evening, etc. As a noun from 1570s. Intermediate forms in 16c. include God be wy you, God b'uy, God buoye, God buy, etc.
"stout stick," 1869, of unknown origin. Also as a verb, "to beat with a cosh." Related: Coshed; coshing.
Other English words of the same form, all apparently unrelated, include a provincial word for "a cottage, a hovel" (late 15c.), a provincial word for "the husk of corn" (1787), and an 18c. Scottish adjective meaning "neat, snug, quiet, comfortable."
"trickery deceit," an obsolete 16c. word "of unknown etymology, and even of uncertain existence" [OED], inferred from words in several texts dating to c. 1300, "some of which might possibly be explained otherwise." These include notably cole-pixy "mischievous fairy" (1540s), a southwestern England dialect word (later colt-pixie) and cole-prophet "pretended mystical fortune-teller."
c. 1400, from Latin aggregatus "associated, united," past participle of aggregare "add to (a flock), lead to a flock, bring together (in a flock)," figuratively "attach, join, include; collect, bring together," from ad "to" (see ad-) + gregare "to collect into a flock, gather," from grex (genitive gregis) "a flock,"from PIE root *ger- "to gather."