湧 - boil, ferment, seethe

welling of water; spring water; spring

to well (up); to gush out (of water); to spring out; to surge

spring water

to gush forth (e.g. water from a spring); to flow (out); to stream (out); to bubble up

to breed (e.g. maggots); to let breed

to happen suddenly; to occur unexpectedly; to appear out of the blue

those who seek riches will find them; fortune comes to those who seek it

upwelling

output

to appear suddenly

hydrothermal discharge zone

to tingle with excitement; to be full of excitement; to be thrilled