Word origin
[1630–40; ‹ L
fastuōsus, equiv. to
fastu(
s) haughtiness, arrogance (cf.
fastidious) +
-ōsus ous]This word is first recorded in the period 1630–40. Other words that entered Englishat around the same time include: amphibian, atmosphere, ejector, outfield, seesaw