origin
source
fountainhead
root
roots
basis
well head
source
spa
geyser
hot spring
thermal spring
sulfur spring
well
wellspring
fount
leap
jump
bound
vault
hop
pounce
saltation
springtime
Eastertide
springtide
fly back
recoil
kick back
leap
jump
bound
vault
hop
appear suddenly
appear unexpectedly
materialize
pop up