springtide 
n. 大潮, (喻)高潮, 春天, 春季, 青春, 青春期, 发展的早期, 全盛期
springtide[ noun ]- a swelling rush of anything
<noun.event>
he rose on the springtide of prosperity
- a greater than average tide occurring during the new and full moons
<noun.event>
Springtide \Spring"tide`\ (-t[imac]d`), n.
The time of spring; springtime. --Thomson.