Literature Reference: The waxing and waning are like that, yet they never vanish or grow. Source from 'Chibi Fu'.
盈: Abundant, brimming with prosperity. In names, it often conveys the meaning of flourishing and bountifulness.
因: The cause, the reason, the pre-existing conditions that lead to the occurrence of an event.
Meaning: Ying Yin signifies the fulfillment of destiny and abundant blessings, symbolizing steadfast determination and profound fortune.