bustle1
v.
move in an energetic and busy manner.
▸
[often as adj. bustling]
(of a place) be full of activity.
n.
excited activity and movement.
Etymology
ME: perh. a var. of obs. buskle, frequentative of busk ‘prepare’, from ON.
bustle2
n.
historical a pad or frame worn under a skirt to puff it out behind.
Etymology
C18: of unknown origin.